Retry remove package:test from flutter (#24007)

diff --git a/dev/missing_dependency_tests/trivial_test.dart b/dev/missing_dependency_tests/trivial_test.dart
index c8bb894..4dd1de1 100644
--- a/dev/missing_dependency_tests/trivial_test.dart
+++ b/dev/missing_dependency_tests/trivial_test.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
+import 'package:test_api/test_api.dart' hide TypeMatcher, isInstanceOf;
 
 void main() {
   test('Trivial test', () {