diff --git a/geolocator_web/CHANGELOG.md b/geolocator_web/CHANGELOG.md
index 53ff43db..997d472d 100644
--- a/geolocator_web/CHANGELOG.md
+++ b/geolocator_web/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## 2.2.1
 
-- Migrate tests to support sound null safety.
+- Migrates tests to support sound null safety.
 
 ## 2.2.0
 
diff --git a/geolocator_web/pubspec.yaml b/geolocator_web/pubspec.yaml
index 7d4e8682..4ca91611 100644
--- a/geolocator_web/pubspec.yaml
+++ b/geolocator_web/pubspec.yaml
@@ -20,6 +20,7 @@ dependencies:
   geolocator_platform_interface: ^4.1.0
 
 dev_dependencies:
+  build_runner: ^2.4.8
   flutter_test:
     sdk: flutter
   flutter_lints: ^3.0.1
diff --git a/geolocator_web/test/geolocator_utils_test.mocks.dart b/geolocator_web/test/geolocator_utils_test.mocks.dart
index 317cbab8..bee53604 100644
--- a/geolocator_web/test/geolocator_utils_test.mocks.dart
+++ b/geolocator_web/test/geolocator_utils_test.mocks.dart
@@ -1,5 +1,5 @@
-// Mocks generated by Mockito 5.4.1-wip from annotations
-// in geolocator.web/test/geolocator_utils_test.dart.
+// Mocks generated by Mockito 5.4.4 from annotations
+// in geolocator_web/test/geolocator_utils_test.dart.
 // Do not manually edit this file.
 
 // ignore_for_file: no_leading_underscores_for_library_prefixes
diff --git a/geolocator_web/test/geolocator_web_test.dart b/geolocator_web/test/geolocator_web_test.dart
index 34e1231c..1b71f0b4 100644
--- a/geolocator_web/test/geolocator_web_test.dart
+++ b/geolocator_web/test/geolocator_web_test.dart
@@ -53,14 +53,6 @@ void main() {
   });
 
   group('Permission methods', () {
-    test('checkPermission throws exception when permissionsSupported is false',
-        () async {
-      when(mockPermissionsManager.permissionsSupported).thenReturn(false);
-
-      expect(
-          geolocatorPlugin.checkPermission, throwsA(isA<PlatformException>()));
-    });
-
     test('checkPermission returns the correct LocationPermission', () async {
       when(mockPermissionsManager.permissionsSupported).thenReturn(true);
 
diff --git a/geolocator_web/test/geolocator_web_test.mocks.dart b/geolocator_web/test/geolocator_web_test.mocks.dart
index 4fe3a08b..be0de5d1 100644
--- a/geolocator_web/test/geolocator_web_test.mocks.dart
+++ b/geolocator_web/test/geolocator_web_test.mocks.dart
@@ -1,15 +1,15 @@
-// Mocks generated by Mockito 5.4.1-wip from annotations
-// in geolocator.web/test/geolocator_web_test.dart.
+// Mocks generated by Mockito 5.4.4 from annotations
+// in geolocator_web/test/geolocator_web_test.dart.
 // Do not manually edit this file.
 
 // ignore_for_file: no_leading_underscores_for_library_prefixes
 import 'dart:async' as _i4;
 
-import 'package:mockito/mockito.dart' as _i1;
 import 'package:geolocator_platform_interface/geolocator_platform_interface.dart'
     as _i2;
 import 'package:geolocator_web/src/geolocation_manager.dart' as _i3;
 import 'package:geolocator_web/src/permissions_manager.dart' as _i5;
+import 'package:mockito/mockito.dart' as _i1;
 
 // ignore_for_file: type=lint
 // ignore_for_file: avoid_redundant_argument_values
@@ -39,10 +39,6 @@ class _FakePosition_0 extends _i1.SmartFake implements _i2.Position {
 /// See the documentation for Mockito's code generation for more information.
 class MockGeolocationManager extends _i1.Mock
     implements _i3.GeolocationManager {
-  MockGeolocationManager() {
-    _i1.throwOnMissingStub(this);
-  }
-
   @override
   _i4.Future<_i2.Position> getCurrentPosition({
     bool? enableHighAccuracy,
@@ -68,6 +64,18 @@ class MockGeolocationManager extends _i1.Mock
             },
           ),
         )),
+        returnValueForMissingStub:
+            _i4.Future<_i2.Position>.value(_FakePosition_0(
+          this,
+          Invocation.method(
+            #getCurrentPosition,
+            [],
+            {
+              #enableHighAccuracy: enableHighAccuracy,
+              #timeout: timeout,
+            },
+          ),
+        )),
       ) as _i4.Future<_i2.Position>);
 
   @override
@@ -85,6 +93,7 @@ class MockGeolocationManager extends _i1.Mock
           },
         ),
         returnValue: _i4.Stream<_i2.Position>.empty(),
+        returnValueForMissingStub: _i4.Stream<_i2.Position>.empty(),
       ) as _i4.Stream<_i2.Position>);
 }
 
@@ -93,14 +102,11 @@ class MockGeolocationManager extends _i1.Mock
 /// See the documentation for Mockito's code generation for more information.
 class MockPermissionsManager extends _i1.Mock
     implements _i5.PermissionsManager {
-  MockPermissionsManager() {
-    _i1.throwOnMissingStub(this);
-  }
-
   @override
   bool get permissionsSupported => (super.noSuchMethod(
         Invocation.getter(#permissionsSupported),
         returnValue: false,
+        returnValueForMissingStub: false,
       ) as bool);
 
   @override
@@ -112,5 +118,7 @@ class MockPermissionsManager extends _i1.Mock
         ),
         returnValue: _i4.Future<_i2.LocationPermission>.value(
             _i2.LocationPermission.denied),
+        returnValueForMissingStub: _i4.Future<_i2.LocationPermission>.value(
+            _i2.LocationPermission.denied),
       ) as _i4.Future<_i2.LocationPermission>);
 }