Adding setup for TestInstanceManagerHostApi in zoom and exposure tests

packages/camera/camera_android_camerax/test/exposure_state_test.dart

@@ -6,12 +6,18 @@ import 'package:camera_android_camerax/src/camerax_library.g.dart';
 import 'package:camera_android_camerax/src/exposure_state.dart';
 import 'package:camera_android_camerax/src/instance_manager.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/annotations.dart';
 
+import 'exposure_state_test.mocks.dart';
 import 'test_camerax_library.g.dart';
 
+@GenerateMocks(<Type>[TestInstanceManagerHostApi])
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
+  // Mocks the call to clear the native InstanceManager.
+  TestInstanceManagerHostApi.setup(MockTestInstanceManagerHostApi());
+
   group('ExposureState', () {
     tearDown(() => TestCameraInfoHostApi.setup(null));
 

packages/camera/camera_android_camerax/test/exposure_state_test.mocks.dart

@@ -0,0 +1,38 @@
+// Mocks generated by Mockito 5.4.0 from annotations
+// in camera_android_camerax/test/exposure_state_test.dart.
+// Do not manually edit this file.
+
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'package:mockito/mockito.dart' as _i1;
+
+import 'test_camerax_library.g.dart' as _i2;
+
+// ignore_for_file: type=lint
+// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_setters_without_getters
+// ignore_for_file: comment_references
+// ignore_for_file: implementation_imports
+// ignore_for_file: invalid_use_of_visible_for_testing_member
+// ignore_for_file: prefer_const_constructors
+// ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: camel_case_types
+// ignore_for_file: subtype_of_sealed_class
+
+/// A class which mocks [TestInstanceManagerHostApi].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockTestInstanceManagerHostApi extends _i1.Mock
+    implements _i2.TestInstanceManagerHostApi {
+  MockTestInstanceManagerHostApi() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  void clear() => super.noSuchMethod(
+        Invocation.method(
+          #clear,
+          [],
+        ),
+        returnValueForMissingStub: null,
+      );
+}

packages/camera/camera_android_camerax/test/zoom_state_test.dart

@@ -5,12 +5,18 @@
 import 'package:camera_android_camerax/src/instance_manager.dart';
 import 'package:camera_android_camerax/src/zoom_state.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/annotations.dart';
 
 import 'test_camerax_library.g.dart';
+import 'zoom_state_test.mocks.dart';
 
+@GenerateMocks(<Type>[TestInstanceManagerHostApi])
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
+  // Mocks the call to clear the native InstanceManager.
+  TestInstanceManagerHostApi.setup(MockTestInstanceManagerHostApi());
+
   group('ZoomState', () {
     tearDown(() => TestCameraInfoHostApi.setup(null));
 

packages/camera/camera_android_camerax/test/zoom_state_test.mocks.dart

@@ -0,0 +1,38 @@
+// Mocks generated by Mockito 5.4.0 from annotations
+// in camera_android_camerax/test/zoom_state_test.dart.
+// Do not manually edit this file.
+
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'package:mockito/mockito.dart' as _i1;
+
+import 'test_camerax_library.g.dart' as _i2;
+
+// ignore_for_file: type=lint
+// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_setters_without_getters
+// ignore_for_file: comment_references
+// ignore_for_file: implementation_imports
+// ignore_for_file: invalid_use_of_visible_for_testing_member
+// ignore_for_file: prefer_const_constructors
+// ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: camel_case_types
+// ignore_for_file: subtype_of_sealed_class
+
+/// A class which mocks [TestInstanceManagerHostApi].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockTestInstanceManagerHostApi extends _i1.Mock
+    implements _i2.TestInstanceManagerHostApi {
+  MockTestInstanceManagerHostApi() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  void clear() => super.noSuchMethod(
+        Invocation.method(
+          #clear,
+          [],
+        ),
+        returnValueForMissingStub: null,
+      );
+}