Format all tests.

tests/corelib_strong/safe_to_string_test.dart

Index: tests/corelib_strong/safe_to_string_test.dart
diff --git a/tests/corelib_strong/safe_to_string_test.dart b/tests/corelib_strong/safe_to_string_test.dart
index ad2fbdc67941f6d33dcada2d8400174311acc44a..0356e81f0cbcf54f864711a0d7d4d661a8e726d5 100644
--- a/tests/corelib_strong/safe_to_string_test.dart
+++ b/tests/corelib_strong/safe_to_string_test.dart
@@ -16,13 +16,13 @@ main() {
   Expect.stringEquals(r'"\\\"\n\r"', Error.safeToString('\\"\n\r'));
 
   Expect.stringEquals(r'"\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007"',
-                      Error.safeToString('\x00\x01\x02\x03\x04\x05\x06\x07'));
+      Error.safeToString('\x00\x01\x02\x03\x04\x05\x06\x07'));
   Expect.stringEquals(r'"\b\t\n\u000b\f\r\u000e\u000f"',
-                      Error.safeToString('\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f'));
+      Error.safeToString('\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f'));
   Expect.stringEquals(r'"\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017"',
-                      Error.safeToString('\x10\x11\x12\x13\x14\x15\x16\x17'));
+      Error.safeToString('\x10\x11\x12\x13\x14\x15\x16\x17'));
   Expect.stringEquals(r'"\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f"',
-                      Error.safeToString('\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f'));
+      Error.safeToString('\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f'));
   Expect.stringEquals('" "', Error.safeToString(" "));
 
   Expect.stringEquals('null', Error.safeToString(null));
@@ -30,6 +30,6 @@ main() {
   Expect.stringEquals('false', Error.safeToString(false));
   // The class name may be minified.
   String className = "$Object";
-  Expect.stringEquals("Instance of '$className'",
-                      Error.safeToString(new Object()));
+  Expect.stringEquals(
+      "Instance of '$className'", Error.safeToString(new Object()));
 }