Format all tests.

tests/standalone/io/regress_7679_test.dart

Index: tests/standalone/io/regress_7679_test.dart
diff --git a/tests/standalone/io/regress_7679_test.dart b/tests/standalone/io/regress_7679_test.dart
index b4b1d6ec1bab0183829c55f4d0bd9fd0c228c613..640223791d38798be5cebb8d10a0fae94975b577 100644
--- a/tests/standalone/io/regress_7679_test.dart
+++ b/tests/standalone/io/regress_7679_test.dart
@@ -35,9 +35,10 @@ main() {
 }
 """);
   String executable = new File(Platform.executable).resolveSymbolicLinksSync();
-  Process.run(executable, ['script.dart'], workingDirectory: temp.path)
+  Process
+      .run(executable, ['script.dart'], workingDirectory: temp.path)
       .then((result) {
-        temp.deleteSync(recursive: true);
-        Expect.equals(0, result.exitCode);
-      });
+    temp.deleteSync(recursive: true);
+    Expect.equals(0, result.exitCode);
+  });
 }