Revert "Added 'exclude' parameter to 'testWidgets()'. (#86397)" (#87515)

packages/flutter_test/lib/src/widget_tester.dart

@@ -115,14 +115,6 @@ E? _lastWhereOrNull<E>(Iterable<E> list, bool Function(E) test) {
 /// each value of the [TestVariant.values]. If [variant] is not set, the test
 /// will be run once using the base test environment.
 ///
-/// If either [exclude] or [skip] is `true`, then the test will be skipped. The
-/// difference is that [skip] is a temporary way to disable a problematic test
-/// while a fix is being developed. It should have a comment after it with a
-/// link to a tracking issue for the work on re-enabling the test.
-///
-/// [exclude] is used to indicate that the test is not designed to run under
-/// the condition given and should always be skipped when it is `true`.
-///
 /// If the [tags] are passed, they declare user-defined tags that are implemented by
 /// the `test` package.
 ///
@@ -140,26 +132,11 @@ E? _lastWhereOrNull<E>(Iterable<E> list, bool Function(E) test) {
 ///   expect(find.text('Success'), findsOneWidget);
 /// });
 /// ```
-///
-/// ### Excluded test
-/// ```dart
-/// testWidgets('Some test that will never make sense for the web', (WidgetTester tester) async {
-///   // test code
-/// }, exclude: isBrowser);
-/// ```
-///
-/// ### Skipped test
-/// ```dart
-/// testWidgets('Some flaky test', (WidgetTester tester) async {
-///   // test code
-/// }, skip: true); // https://github.com/flutter/flutter/issues/12345
-/// ```
 @isTest
 void testWidgets(
   String description,
   WidgetTesterCallback callback, {
-  bool skip = false,
-  bool exclude = false,
+  bool? skip,
   test_package.Timeout? timeout,
   Duration? initialTimeout,
   bool semanticsEnabled = true,
@@ -207,7 +184,7 @@ void testWidgets(
           timeout: initialTimeout,
         );
       },
-      skip: (exclude || skip) ? true : null,
+      skip: skip,
       timeout: timeout ?? binding.defaultTestTimeout,
       tags: tags,
     );

packages/flutter_test/test/widget_tester_test.dart

@@ -738,16 +738,6 @@ void main() {
     });
   });
 
-  group('Skip and exclude work', () {
-    testWidgets('skipping a test skips it', (WidgetTester tester) async {
-      expect(true, false); // shouldn't get here
-    }, skip: true); // https://github.com/someissue
-
-    testWidgets('excluding a test skips it', (WidgetTester tester) async {
-      expect(true, false); // shouldn't get here
-    }, exclude: true);
-  });
-
   group('Pending timer', () {
     late TestExceptionReporter currentExceptionReporter;
     setUp(() {