[camera] Suppress unchecked cast warning in java test (#3316)

* Suppress unchecked cast warning in java test

* Bumped version number
diff --git a/packages/camera/camera/CHANGELOG.md b/packages/camera/camera/CHANGELOG.md
index b07e3b8..0a6c050 100644
--- a/packages/camera/camera/CHANGELOG.md
+++ b/packages/camera/camera/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.5.8+18
+
+* Suppress unchecked warning in Android tests which prevented the tests to compile.
+
 ## 0.5.8+17
 
 * Added Android 30 support.
diff --git a/packages/camera/camera/android/src/test/java/io/flutter/plugins/camera/DartMessengerTest.java b/packages/camera/camera/android/src/test/java/io/flutter/plugins/camera/DartMessengerTest.java
index c5ea83a..5a53582 100644
--- a/packages/camera/camera/android/src/test/java/io/flutter/plugins/camera/DartMessengerTest.java
+++ b/packages/camera/camera/android/src/test/java/io/flutter/plugins/camera/DartMessengerTest.java
@@ -93,9 +93,9 @@
     assertNull(event.get("errorDescription"));
   }
 
+  @SuppressWarnings("unchecked")
   private Map<String, String> decodeSentMessage(ByteBuffer sentMessage) {
     sentMessage.position(0);
-    //noinspection unchecked
     return (Map<String, String>) StandardMethodCodec.INSTANCE.decodeEnvelope(sentMessage);
   }
 
diff --git a/packages/camera/camera/pubspec.yaml b/packages/camera/camera/pubspec.yaml
index f2151fc..af8979d 100644
--- a/packages/camera/camera/pubspec.yaml
+++ b/packages/camera/camera/pubspec.yaml
@@ -2,7 +2,7 @@
 description: A Flutter plugin for getting information about and controlling the
   camera on Android and iOS. Supports previewing the camera feed, capturing images, capturing video,
   and streaming image buffers to dart.
-version: 0.5.8+17
+version: 0.5.8+18
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera
 
 dependencies: