diff --git a/.ci/flutter_master.version b/.ci/flutter_master.version
index 7a8bc7849ee..9c1bdfcd718 100644
--- a/.ci/flutter_master.version
+++ b/.ci/flutter_master.version
@@ -1 +1 @@
-db6074ade4e4fde664e6258d671faf356e1b6e85
+0b657236cae4c8f1c63cb3025aa9b92cf2795f74
\ No newline at end of file
diff --git a/packages/camera/camera_android/example/pubspec.yaml b/packages/camera/camera_android/example/pubspec.yaml
index 39f40663d10..98aa4a6d4f2 100644
--- a/packages/camera/camera_android/example/pubspec.yaml
+++ b/packages/camera/camera_android/example/pubspec.yaml
@@ -32,8 +32,3 @@ dev_dependencies:
 
 flutter:
   uses-material-design: true
-
-# FOR TESTING ONLY. DO NOT MERGE.
-dependency_overrides:
-  camera_android:
-    path: ../../../camera/camera_android
diff --git a/packages/flutter_plugin_android_lifecycle/android/src/test/java/io/flutter/embedding/engine/plugins/lifecycle/FlutterLifecycleAdapterTest.java b/packages/flutter_plugin_android_lifecycle/android/src/test/java/io/flutter/embedding/engine/plugins/lifecycle/FlutterLifecycleAdapterTest.java
index 9a6bfb7da5b..80bfc4ca562 100644
--- a/packages/flutter_plugin_android_lifecycle/android/src/test/java/io/flutter/embedding/engine/plugins/lifecycle/FlutterLifecycleAdapterTest.java
+++ b/packages/flutter_plugin_android_lifecycle/android/src/test/java/io/flutter/embedding/engine/plugins/lifecycle/FlutterLifecycleAdapterTest.java
@@ -5,12 +5,10 @@
 package io.flutter.embedding.engine.plugins.lifecycle;
 
 import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.when;
 
-import android.app.Activity;
-import androidx.annotation.NonNull;
 import androidx.lifecycle.Lifecycle;
 import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
-import io.flutter.plugin.common.PluginRegistry;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -19,6 +17,7 @@
 
 public class FlutterLifecycleAdapterTest {
   @Mock Lifecycle lifecycle;
+  @Mock ActivityPluginBinding mockActivityPluginBinding;
 
   AutoCloseable mockCloseable;
 
@@ -34,66 +33,14 @@ public void tearDown() throws Exception {
 
   @Test
   public void getActivityLifecycle() {
-    TestActivityPluginBinding binding = new TestActivityPluginBinding(lifecycle);
+    when(mockActivityPluginBinding.getLifecycle())
+        .thenReturn(new HiddenLifecycleReference(lifecycle));
 
-    Lifecycle parsedLifecycle = FlutterLifecycleAdapter.getActivityLifecycle(binding);
+    when(mockActivityPluginBinding.getActivity()).thenReturn(null);
 
-    assertEquals(lifecycle, parsedLifecycle);
-  }
-
-  private static final class TestActivityPluginBinding implements ActivityPluginBinding {
-    private final Lifecycle lifecycle;
-
-    TestActivityPluginBinding(Lifecycle lifecycle) {
-      this.lifecycle = lifecycle;
-    }
-
-    @NonNull
-    public Object getLifecycle() {
-      return new HiddenLifecycleReference(lifecycle);
-    }
-
-    @Override
-    public Activity getActivity() {
-      return null;
-    }
-
-    @Override
-    public void addRequestPermissionsResultListener(
-        @NonNull PluginRegistry.RequestPermissionsResultListener listener) {}
-
-    @Override
-    public void removeRequestPermissionsResultListener(
-        @NonNull PluginRegistry.RequestPermissionsResultListener listener) {}
+    Lifecycle parsedLifecycle =
+        FlutterLifecycleAdapter.getActivityLifecycle(mockActivityPluginBinding);
 
-    @Override
-    public void addActivityResultListener(
-        @NonNull PluginRegistry.ActivityResultListener listener) {}
-
-    @Override
-    public void removeActivityResultListener(
-        @NonNull PluginRegistry.ActivityResultListener listener) {}
-
-    @Override
-    public void addOnNewIntentListener(@NonNull PluginRegistry.NewIntentListener listener) {}
-
-    @Override
-    public void removeOnNewIntentListener(@NonNull PluginRegistry.NewIntentListener listener) {}
-
-    @Override
-    public void addOnUserLeaveHintListener(
-        @NonNull PluginRegistry.UserLeaveHintListener listener) {}
-
-    @Override
-    public void removeOnUserLeaveHintListener(
-        @NonNull PluginRegistry.UserLeaveHintListener listener) {}
-
-    @Override
-    public void addOnSaveStateListener(
-        @NonNull ActivityPluginBinding.OnSaveInstanceStateListener listener) {}
-
-    @Override
-    public void removeOnSaveStateListener(
-        @NonNull ActivityPluginBinding.OnSaveInstanceStateListener listener) {}
+    assertEquals(lifecycle, parsedLifecycle);
   }
 }
diff --git a/packages/in_app_purchase/in_app_purchase_android/test/billing_client_wrappers/billing_client_manager_test.dart b/packages/in_app_purchase/in_app_purchase_android/test/billing_client_wrappers/billing_client_manager_test.dart
index 1644885d78d..97f4640c7ee 100644
--- a/packages/in_app_purchase/in_app_purchase_android/test/billing_client_wrappers/billing_client_manager_test.dart
+++ b/packages/in_app_purchase/in_app_purchase_android/test/billing_client_wrappers/billing_client_manager_test.dart
@@ -51,25 +51,29 @@ void main() {
       expect(stubPlatform.countPreviousCalls(startConnectionCall), equals(1));
     });
 
-    test('waits for connection before executing the operations', () {
-      bool called1 = false;
-      bool called2 = false;
+    test('waits for connection before executing the operations', () async {
+      final Completer<void> calledCompleter1 = Completer<void>();
+      final Completer<void> calledCompleter2 = Completer<void>();
       manager.runWithClient((BillingClient _) async {
-        called1 = true;
+        calledCompleter1.complete();
         return const BillingResultWrapper(responseCode: BillingResponse.ok);
       });
       manager.runWithClientNonRetryable(
-        (BillingClient _) async => called2 = true,
+        (BillingClient _) async => calledCompleter2.complete(),
       );
-      expect(called1, equals(false));
-      expect(called2, equals(false));
+      expect(calledCompleter1.isCompleted, equals(false));
+      expect(calledCompleter1.isCompleted, equals(false));
       connectedCompleter.complete();
-      expect(called1, equals(true));
-      expect(called2, equals(true));
+      await expectLater(calledCompleter1.future, completes);
+      await expectLater(calledCompleter2.future, completes);
     });
 
-    test('re-connects when client sends onBillingServiceDisconnected', () {
+    test('re-connects when client sends onBillingServiceDisconnected',
+        () async {
       connectedCompleter.complete();
+      // Ensures all asynchronous connected code finishes.
+      await manager.runWithClientNonRetryable((_) async {});
+
       manager.client.callHandler(
         const MethodCall(onBillingServiceDisconnectedCallback,
             <String, dynamic>{'handle': 0}),