Fix the test annotation used for test groups (#28638)
diff --git a/packages/flutter_test/lib/src/test_compat.dart b/packages/flutter_test/lib/src/test_compat.dart
index e2e83fc..f21dd4e 100644
--- a/packages/flutter_test/lib/src/test_compat.dart
+++ b/packages/flutter_test/lib/src/test_compat.dart
@@ -231,7 +231,7 @@
/// suite*—tests in other suites will run as normal. We recommend that users
/// avoid this flag if possible, and instead use the test runner flag `-n` to
/// filter tests by name.
-@isTest
+@isTestGroup
void group(Object description, Function body) {
_declarer.group(description.toString(), body);
}
