Format all tests.

tests/language_strong/raw_string_test.dart

Index: tests/language_strong/raw_string_test.dart
diff --git a/tests/language_strong/raw_string_test.dart b/tests/language_strong/raw_string_test.dart
index b577747851fb764d0b7c6ad775e68c084ec0a572..358f88200bbb871dd682f6b778ab4b8f656a7fd2 100644
--- a/tests/language_strong/raw_string_test.dart
+++ b/tests/language_strong/raw_string_test.dart
@@ -15,15 +15,23 @@ class RawStringTest {
     Expect.equals("", r'''''');
     Expect.equals("''''", r"''''");
     Expect.equals('""""', r'""""');
-    Expect.equals("1\n2\n3", r"""1
+    Expect.equals(
+        "1\n2\n3",
+        r"""1
 2
 3""");
-    Expect.equals("1\n2\n3", r'''1
+    Expect.equals(
+        "1\n2\n3",
+        r'''1
 2
 3''');
-    Expect.equals("1", r"""
+    Expect.equals(
+        "1",
+        r"""
 1""");
-    Expect.equals("1", r'''
+    Expect.equals(
+        "1",
+        r'''
 1''');
     Expect.equals("'", r"'");
     Expect.equals('"', r'"');
@@ -34,11 +42,12 @@ class RawStringTest {
     Expect.equals("\\", r'\');
     Expect.equals("\${12}", r"${12}");
     Expect.equals("\\a\\b\\c\\d\\e\\f\\g\\h\\i\\j\\k\\l\\m",
-                  r"\a\b\c\d\e\f\g\h\i\j\k\l\m");
+        r"\a\b\c\d\e\f\g\h\i\j\k\l\m");
     Expect.equals("\\n\\o\\p\\q\\r\\s\\t\\u\\v\\w\\x\\y\\z",
-                  r"\n\o\p\q\r\s\t\u\v\w\x\y\z");
+        r"\n\o\p\q\r\s\t\u\v\w\x\y\z");
   }
 }
+
 main() {
   RawStringTest.testMain();
 }