Re-land "Format all multitests"

tests/language/interface_test.dart

Index: tests/language/interface_test.dart
diff --git a/tests/language/interface_test.dart b/tests/language/interface_test.dart
index 14ea335994cd524467a20042d4b65a265f14c098..5122d50bcd970995887fff8c07dc0ef9afec24b5 100644
--- a/tests/language/interface_test.dart
+++ b/tests/language/interface_test.dart
@@ -11,28 +11,30 @@ abstract class Bi implements Ai {
   factory Bi() = InterfaceTest;
 }
 
-abstract class Simple implements Ai { }
+abstract class Simple implements Ai {}
 
-abstract class Aai { }
+abstract class Aai {}
 
-abstract class Abi { }
+abstract class Abi {}
 
-abstract class Bar { }
+abstract class Bar {}
 
-abstract class Foo implements Bar { }
+abstract class Foo implements Bar {}
 
-abstract class Baz implements Bar, Foo { }
+abstract class Baz implements Bar, Foo {}
 
 class InterfaceTest implements Ai, Aai, Abi, Baz, Bi {
   var f;
 
   InterfaceTest() {}
-  int foo() { return 1; }
+  int foo() {
+    return 1;
+  }
 
   // intentionally unimplemented methods
-  beta();  // Abstract.
-  String beta1();  // Abstract.
-  String beta2(double d);  // Abstract.
+  beta(); // Abstract.
+  String beta1(); // Abstract.
+  String beta2(double d); // Abstract.
 }
 
 main() {