Re-land "Format all multitests"

tests/language/bad_raw_string_test.dart

Index: tests/language/bad_raw_string_test.dart
diff --git a/tests/language/bad_raw_string_test.dart b/tests/language/bad_raw_string_test.dart
index 855f747e4cc337f09fd7f1d9b435ceb756f93a0e..5447416ad922eabe63d9008feb9b545449c6b775 100644
--- a/tests/language/bad_raw_string_test.dart
+++ b/tests/language/bad_raw_string_test.dart
@@ -9,15 +9,15 @@ main() {
 ' //      //# 01: continued
     r" // //# 02: compile-time error
 " //      //# 02: continued
-    // Test that a raw string containing just one character, a \n char, fails.
-    // Enclose the test string in a bigger multiline string, except in case 03:
+      // Test that a raw string containing just one character, a \n char, fails.
+      // Enclose the test string in a bigger multiline string, except in case 03:
     ''' // //# 03: compile-time error
-    """
+      """
     ''' // //# 03: continued
     r'
 '
     ''' // //# 03: continued
     """
     ''' // //# 03: continued
-  ;
+      ;
 }