Reformat untouched files.

tests/compiler/dart2js/interop_anonymous_unreachable_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library tests.dart2js.interop_anonymous_unreachable_test;
 
 import 'package:test/test.dart';
 import 'compiler_helper.dart';
 
 main() {
   test("unreachable code doesn't crash the compiler", () async {
     // This test is a regression for Issue #24974
-    String generated = await compile(
-        """
+    String generated = await compile("""
         import 'package:js/js.dart';
 
         @JS() @anonymous
         class UniqueLongNameForTesting_A {
           external factory UniqueLongNameForTesting_A();
         }
         main() {}
-    """,
-        returnAll: true);
+    """, returnAll: true);
 
     // the code should not be included in the output either.
     expect(generated, isNot(contains("UniqueLongNameForTesting_A")));
   });
 
   group('tree-shaking interop types', () {
     String program = """
         import 'package:js/js.dart';
 
         // reachable and allocated
@@ skipping 131 matching lines @@
 
       generated = await compile(program2, returnAll: true);
       expect(generated.contains("UniqueLongNameForTesting_A"), isTrue);
       // This extra check is to make sure that we don't include HTMLAudioElement
       // just because of the is-check. It is optimized away in this case because
       // we believe it was never instantiated.
       expect(generated.contains("HTMLAudioElement"), isFalse);
     });
   });
 }