Format all tests.

tests/language/closure_call_wrong_argument_count_negative_test.dart

Index: tests/language/closure_call_wrong_argument_count_negative_test.dart
diff --git a/tests/language/closure_call_wrong_argument_count_negative_test.dart b/tests/language/closure_call_wrong_argument_count_negative_test.dart
index ad9e4ec2da4eb317daeb3a2db46c799994cbba68..fe1c77cd66392d0c39bef6f8352abcc5e3d4a20b 100644
--- a/tests/language/closure_call_wrong_argument_count_negative_test.dart
+++ b/tests/language/closure_call_wrong_argument_count_negative_test.dart
@@ -4,7 +4,6 @@
 // Test mismatch in argument counts.
 
 class ClosureCallWrongArgumentCountNegativeTest {
-
   static int melke(var f) {
     return f(1, 2, 3);
   }
@@ -13,6 +12,7 @@ class ClosureCallWrongArgumentCountNegativeTest {
     kuh(int a, int b) {
       return a + b;
     }
+
     melke(kuh);
   }
 }