diff --git a/recipes/engine/engine.expected/clobber.json b/recipes/engine/engine.expected/clobber.json
index 1f07756..803174f 100644
--- a/recipes/engine/engine.expected/clobber.json
+++ b/recipes/engine/engine.expected/clobber.json
@@ -12258,7 +12258,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/experimental.json b/recipes/engine/engine.expected/experimental.json
index 2569a9f..2fefaf9 100644
--- a/recipes/engine/engine.expected/experimental.json
+++ b/recipes/engine/engine.expected/experimental.json
@@ -12246,7 +12246,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/experimental_upload.json b/recipes/engine/engine.expected/experimental_upload.json
index abdd104..84d7662 100644
--- a/recipes/engine/engine.expected/experimental_upload.json
+++ b/recipes/engine/engine.expected/experimental_upload.json
@@ -13986,7 +13986,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/gcloud_pubsub_failure.json b/recipes/engine/engine.expected/gcloud_pubsub_failure.json
index 0806160..2814382 100644
--- a/recipes/engine/engine.expected/gcloud_pubsub_failure.json
+++ b/recipes/engine/engine.expected/gcloud_pubsub_failure.json
@@ -12148,7 +12148,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux.json b/recipes/engine/engine.expected/linux.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux.json
+++ b/recipes/engine/engine.expected/linux.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_font_subset.json b/recipes/engine/engine.expected/linux_font_subset.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_font_subset.json
+++ b/recipes/engine/engine.expected/linux_font_subset.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven.json b/recipes/engine/engine.expected/linux_maven.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_maven.json
+++ b/recipes/engine/engine.expected/linux_maven.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_font_subset.json b/recipes/engine/engine.expected/linux_maven_font_subset.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_maven_font_subset.json
+++ b/recipes/engine/engine.expected/linux_maven_font_subset.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_no_lto.json b/recipes/engine/engine.expected/linux_maven_no_lto.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_maven_no_lto.json
+++ b/recipes/engine/engine.expected/linux_maven_no_lto.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_maven_no_lto_font_subset.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_maven_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_maven_no_lto_font_subset.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_publish_cipd.json b/recipes/engine/engine.expected/linux_maven_publish_cipd.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_maven_publish_cipd.json
+++ b/recipes/engine/engine.expected/linux_maven_publish_cipd.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_publish_cipd_font_subset.json b/recipes/engine/engine.expected/linux_maven_publish_cipd_font_subset.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_maven_publish_cipd_font_subset.json
+++ b/recipes/engine/engine.expected/linux_maven_publish_cipd_font_subset.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto.json b/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto.json
+++ b/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_maven_publish_cipd_no_lto_font_subset.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_no_lto.json b/recipes/engine/engine.expected/linux_no_lto.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_no_lto.json
+++ b/recipes/engine/engine.expected/linux_no_lto.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_no_lto_font_subset.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_no_lto_font_subset.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_publish_cipd.json b/recipes/engine/engine.expected/linux_publish_cipd.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_publish_cipd.json
+++ b/recipes/engine/engine.expected/linux_publish_cipd.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_publish_cipd_font_subset.json b/recipes/engine/engine.expected/linux_publish_cipd_font_subset.json
index fa65c97..515f708 100644
--- a/recipes/engine/engine.expected/linux_publish_cipd_font_subset.json
+++ b/recipes/engine/engine.expected/linux_publish_cipd_font_subset.json
@@ -12136,7 +12136,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_publish_cipd_no_lto.json b/recipes/engine/engine.expected/linux_publish_cipd_no_lto.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_publish_cipd_no_lto.json
+++ b/recipes/engine/engine.expected/linux_publish_cipd_no_lto.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_publish_cipd_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_publish_cipd_no_lto_font_subset.json
index 735d730..dc076a0 100644
--- a/recipes/engine/engine.expected/linux_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_publish_cipd_no_lto_font_subset.json
@@ -12144,7 +12144,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload.json b/recipes/engine/engine.expected/linux_upload.json
index b465ddc..153b1c6 100644
--- a/recipes/engine/engine.expected/linux_upload.json
+++ b/recipes/engine/engine.expected/linux_upload.json
@@ -13825,7 +13825,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_font_subset.json b/recipes/engine/engine.expected/linux_upload_font_subset.json
index b08f4de..728efc4 100644
--- a/recipes/engine/engine.expected/linux_upload_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_font_subset.json
@@ -13876,7 +13876,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven.json b/recipes/engine/engine.expected/linux_upload_maven.json
index a93c9c1..8a56ed1 100644
--- a/recipes/engine/engine.expected/linux_upload_maven.json
+++ b/recipes/engine/engine.expected/linux_upload_maven.json
@@ -13264,7 +13264,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_font_subset.json b/recipes/engine/engine.expected/linux_upload_maven_font_subset.json
index d7a0127..73a5029 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_font_subset.json
@@ -13315,7 +13315,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_no_lto.json b/recipes/engine/engine.expected/linux_upload_maven_no_lto.json
index d739d19..22bb6e9 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_no_lto.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_no_lto.json
@@ -13272,7 +13272,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_upload_maven_no_lto_font_subset.json
index 7037a20..09a0130 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_no_lto_font_subset.json
@@ -13323,7 +13323,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd.json b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd.json
index 5bc504d..0266a6d 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd.json
@@ -13264,7 +13264,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_font_subset.json b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_font_subset.json
index 357e87b..2f07961 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_font_subset.json
@@ -13315,7 +13315,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto.json b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto.json
index f9abe8d..4b6302c 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto.json
@@ -13272,7 +13272,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
index 2cf5b6d..36844af 100644
--- a/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_maven_publish_cipd_no_lto_font_subset.json
@@ -13323,7 +13323,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_no_lto.json b/recipes/engine/engine.expected/linux_upload_no_lto.json
index 5413673..ff8b0e3 100644
--- a/recipes/engine/engine.expected/linux_upload_no_lto.json
+++ b/recipes/engine/engine.expected/linux_upload_no_lto.json
@@ -13833,7 +13833,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_upload_no_lto_font_subset.json
index 0b3f81e..984e032 100644
--- a/recipes/engine/engine.expected/linux_upload_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_no_lto_font_subset.json
@@ -13884,7 +13884,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_publish_cipd.json b/recipes/engine/engine.expected/linux_upload_publish_cipd.json
index 0521c91..717d306 100644
--- a/recipes/engine/engine.expected/linux_upload_publish_cipd.json
+++ b/recipes/engine/engine.expected/linux_upload_publish_cipd.json
@@ -13825,7 +13825,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_publish_cipd_font_subset.json b/recipes/engine/engine.expected/linux_upload_publish_cipd_font_subset.json
index c7aebc4..70b7241 100644
--- a/recipes/engine/engine.expected/linux_upload_publish_cipd_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_publish_cipd_font_subset.json
@@ -13876,7 +13876,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto.json b/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto.json
index e9d3ae9..a79150b 100644
--- a/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto.json
+++ b/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto.json
@@ -13833,7 +13833,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json b/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json
index 344558a..aabaabc 100644
--- a/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json
+++ b/recipes/engine/engine.expected/linux_upload_publish_cipd_no_lto_font_subset.json
@@ -13884,7 +13884,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.expected/pull_request.json b/recipes/engine/engine.expected/pull_request.json
index acd1e0f..6d3538e 100644
--- a/recipes/engine/engine.expected/pull_request.json
+++ b/recipes/engine/engine.expected/pull_request.json
@@ -12148,7 +12148,9 @@
       "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
       "FLUTTER_PREBUILT_DART_SDK": "True",
       "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GOMA_DIR": "[CACHE]/goma/client"
+      "GCP_PROJECT": "flutter-infra-staging",
+      "GOMA_DIR": "[CACHE]/goma/client",
+      "STORAGE_BUCKET": "gs://flutter_firebase_testlab_staging"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipes/engine/engine.py b/recipes/engine/engine.py
index 9ac00f0..e59ff19 100644
--- a/recipes/engine/engine.py
+++ b/recipes/engine/engine.py
@@ -542,7 +542,12 @@
   RunGN(api, *aot_variant.GetGNArgs('profile'))
   Build(api, build_output_dir, *aot_variant.GetNinjaTargets())
 
-  with api.context(cwd=checkout):
+  env = {
+    'STORAGE_BUCKET': 'gs://flutter_firebase_testlab_staging',
+    'GCP_PROJECT': 'flutter-infra-staging'
+  }
+
+  with api.context(env=env, cwd=checkout):
     args = [
         'python', './flutter/ci/firebase_testlab.py',
         '--variant', build_output_dir,
diff --git a/recipes/firebaselab/firebaselab.expected/basic.json b/recipes/firebaselab/firebaselab.expected/basic.json
index d364f65..52b4e61 100644
--- a/recipes/firebaselab/firebaselab.expected/basic.json
+++ b/recipes/firebaselab/firebaselab.expected/basic.json
@@ -327,7 +327,7 @@
       "config",
       "set",
       "project",
-      "flutter-infra"
+      "flutter-infra-staging"
     ],
     "cwd": "[START_DIR]/flutter/dev/integration_tests/the_task",
     "env": {
@@ -398,7 +398,7 @@
       "build/app/outputs/bundle/release/app-release.aab",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=the_task/fake-task-id",
       "--device",
       "model=blueline,version=28",
@@ -476,7 +476,7 @@
       "build/app/outputs/flutter-apk/app-debug.apk",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=the_task/fake-task-id",
       "--device",
       "model=Nexus5,version=19",
@@ -665,7 +665,7 @@
       "-o",
       "GSUtil:software_update_check_period=0",
       "cp",
-      "gs://flutter_firebase_testlab/the_task/fake-task-id/*/logcat",
+      "gs://flutter_firebase_testlab_staging/the_task/fake-task-id/*/logcat",
       "[CLEANUP]"
     ],
     "cwd": "[START_DIR]/flutter/dev/integration_tests/the_task",
diff --git a/recipes/firebaselab/firebaselab.expected/failure 10.json b/recipes/firebaselab/firebaselab.expected/failure 10.json
index 3b3513c..d0c3627 100644
--- a/recipes/firebaselab/firebaselab.expected/failure 10.json
+++ b/recipes/firebaselab/firebaselab.expected/failure 10.json
@@ -327,7 +327,7 @@
       "config",
       "set",
       "project",
-      "flutter-infra"
+      "flutter-infra-staging"
     ],
     "cwd": "[START_DIR]/flutter/dev/integration_tests",
     "env": {
@@ -398,7 +398,7 @@
       "build/app/outputs/bundle/release/app-release.aab",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=None/fake-task-id",
       "--device",
       "model=blueline,version=28",
@@ -445,7 +445,7 @@
       "build/app/outputs/bundle/release/app-release.aab",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=None/fake-task-id",
       "--device",
       "model=blueline,version=28",
@@ -523,7 +523,7 @@
       "build/app/outputs/flutter-apk/app-debug.apk",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=None/fake-task-id",
       "--device",
       "model=Nexus5,version=19",
@@ -712,7 +712,7 @@
       "-o",
       "GSUtil:software_update_check_period=0",
       "cp",
-      "gs://flutter_firebase_testlab/None/fake-task-id/*/logcat",
+      "gs://flutter_firebase_testlab_staging/None/fake-task-id/*/logcat",
       "[CLEANUP]"
     ],
     "cwd": "[START_DIR]/flutter/dev/integration_tests",
diff --git a/recipes/firebaselab/firebaselab.expected/failure 15.json b/recipes/firebaselab/firebaselab.expected/failure 15.json
index 3b3513c..d0c3627 100644
--- a/recipes/firebaselab/firebaselab.expected/failure 15.json
+++ b/recipes/firebaselab/firebaselab.expected/failure 15.json
@@ -327,7 +327,7 @@
       "config",
       "set",
       "project",
-      "flutter-infra"
+      "flutter-infra-staging"
     ],
     "cwd": "[START_DIR]/flutter/dev/integration_tests",
     "env": {
@@ -398,7 +398,7 @@
       "build/app/outputs/bundle/release/app-release.aab",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=None/fake-task-id",
       "--device",
       "model=blueline,version=28",
@@ -445,7 +445,7 @@
       "build/app/outputs/bundle/release/app-release.aab",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=None/fake-task-id",
       "--device",
       "model=blueline,version=28",
@@ -523,7 +523,7 @@
       "build/app/outputs/flutter-apk/app-debug.apk",
       "--timeout",
       "2m",
-      "--results-bucket=gs://flutter_firebase_testlab",
+      "--results-bucket=gs://flutter_firebase_testlab_staging",
       "--results-dir=None/fake-task-id",
       "--device",
       "model=Nexus5,version=19",
@@ -712,7 +712,7 @@
       "-o",
       "GSUtil:software_update_check_period=0",
       "cp",
-      "gs://flutter_firebase_testlab/None/fake-task-id/*/logcat",
+      "gs://flutter_firebase_testlab_staging/None/fake-task-id/*/logcat",
       "[CLEANUP]"
     ],
     "cwd": "[START_DIR]/flutter/dev/integration_tests",
diff --git a/recipes/firebaselab/firebaselab.py b/recipes/firebaselab/firebaselab.py
index 28c8210..39875cf 100644
--- a/recipes/firebaselab/firebaselab.py
+++ b/recipes/firebaselab/firebaselab.py
@@ -28,7 +28,7 @@
 
 def RunSteps(api):
   checkout_path = api.path['start_dir'].join('flutter')
-  gcs_bucket = 'flutter_firebase_testlab'
+  gcs_bucket = 'flutter_firebase_testlab_staging'
   api.repo_util.checkout(
       'flutter',
       checkout_path=checkout_path,
@@ -109,7 +109,7 @@
           'config',
           'set',
           'project',
-          'flutter-infra',
+          'flutter-infra-staging',
           infra_step=True,
       )
       for step_name, build_command, binary, devices in test_configurations: