Format all tests.

tests/isolate/int_from_environment_default_value_test.dart

Index: tests/isolate/int_from_environment_default_value_test.dart
diff --git a/tests/isolate/int_from_environment_default_value_test.dart b/tests/isolate/int_from_environment_default_value_test.dart
index 4a04e74ffa7a9d57738c0aaee35061b190678d13..8c825d792c72544c8f0de7bf7fe8c2ac542b0405 100644
--- a/tests/isolate/int_from_environment_default_value_test.dart
+++ b/tests/isolate/int_from_environment_default_value_test.dart
@@ -8,8 +8,8 @@ import "package:expect/expect.dart";
 
 void test(port) {
   Expect.isNull(const int.fromEnvironment('NOT_FOUND'));
-  Expect.equals(12345, const int.fromEnvironment('NOT_FOUND',
-                                                 defaultValue: 12345));
+  Expect.equals(
+      12345, const int.fromEnvironment('NOT_FOUND', defaultValue: 12345));
   if (port != null) port.send(null);
 }