Format all tests.

tests/language_strong/private_clash_test.dart

Index: tests/language_strong/private_clash_test.dart
diff --git a/tests/language_strong/private_clash_test.dart b/tests/language_strong/private_clash_test.dart
index 35110f40015f5a9433c2be236ff31d0809f870c4..db70f819b6b942b285a39b6fdaaa81be7cdc1b39 100644
--- a/tests/language_strong/private_clash_test.dart
+++ b/tests/language_strong/private_clash_test.dart
@@ -11,7 +11,7 @@ class A extends lib.B {
   var _b$_c$ = 100; // With library prefix: _a$_b$_c$
 
   getValueB() {
-    try {} catch(e) {} // no inline
+    try {} catch (e) {} // no inline
     return this._b$_c$;
   }
 }