Migrate plugins to use e2e tests. (#2282)

Author: Chris Yang

packages/google_maps_flutter/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.21+12
+
+* Update driver tests in the example app to e2e tests.
+
 ## 0.5.21+11
 
 * Define clang module for iOS, fix analyzer warnings.

packages/google_maps_flutter/android/build.gradle

@@ -36,3 +36,29 @@ android {
         implementation 'com.google.android.gms:play-services-maps:17.0.0'
     }
 }
+
+// TODO(cyanglaz): Remove this hack once androidx.lifecycle is included on stable. https://github.com/flutter/flutter/issues/42348
+afterEvaluate {
+    def containsEmbeddingDependencies = false
+    for (def configuration : configurations.all) {
+        for (def dependency : configuration.dependencies) {
+            if (dependency.group == 'io.flutter' &&
+                dependency.name.startsWith('flutter_embedding') &&
+                dependency.isTransitive())
+            {
+                containsEmbeddingDependencies = true
+                break
+            }
+        }
+    }
+    if (!containsEmbeddingDependencies) {
+        android {
+            dependencies {
+                def lifecycle_version = "1.1.1"
+                compileOnly "android.arch.lifecycle:runtime:$lifecycle_version"
+                compileOnly "android.arch.lifecycle:common:$lifecycle_version"
+                compileOnly "android.arch.lifecycle:common-java8:$lifecycle_version"
+            }
+        }
+    }
+}

packages/google_maps_flutter/example/pubspec.yaml

@@ -15,6 +15,7 @@ dev_dependencies:
   flutter_driver:
     sdk: flutter
   test: ^1.6.0
+  e2e: ^0.2.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://www.dartlang.org/tools/pub/pubspec