[fuchsia] Remove extra quotes in the PBM override path string

Change-Id: Idccb3ae163d78d782595784a82bf5ee4b1d836c4
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/40220
Commit-Queue: Michael Brase <mbrase@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
diff --git a/recipes/engine/femu_test.expected/start_femu_with_override_pbm.json b/recipes/engine/femu_test.expected/start_femu_with_override_pbm.json
index 5cccaac..cf7c9cb 100644
--- a/recipes/engine/femu_test.expected/start_femu_with_override_pbm.json
+++ b/recipes/engine/femu_test.expected/start_femu_with_override_pbm.json
@@ -1385,7 +1385,7 @@
       "config",
       "set",
       "pbms.metadata",
-      "'[\"gs://fuchsia-artifacts/development/8787238722685733041/sdk/product_bundles.json\"]'"
+      "[\"gs://fuchsia-artifacts/development/8787238722685733041/sdk/product_bundles.json\"]"
     ],
     "cwd": "[CACHE]/builder",
     "env": {
diff --git a/recipes/engine/femu_test.py b/recipes/engine/femu_test.py
index 5df5b7d..5bc4bed 100644
--- a/recipes/engine/femu_test.py
+++ b/recipes/engine/femu_test.py
@@ -201,7 +201,7 @@
     api.step(
         'Set PBM metadata path', [
             ffx, 'config', 'set', 'pbms.metadata',
-            '\'[\"%s\"]\'' % product_bundle_manifest_path
+            '["%s"]' % product_bundle_manifest_path
         ]
     )
     # We'll need to suffix all the product-bundle names with a full path