Format all tests.

tests/lib/mirrors/mirrors_visitor.dart

Index: tests/lib/mirrors/mirrors_visitor.dart
diff --git a/tests/lib/mirrors/mirrors_visitor.dart b/tests/lib/mirrors/mirrors_visitor.dart
index 3eef8eebf522ed38bd34067cbfb8b888db0857b6..a78b7ec12081e8ee90de8761860b90fe7bc81183 100644
--- a/tests/lib/mirrors/mirrors_visitor.dart
+++ b/tests/lib/mirrors/mirrors_visitor.dart
@@ -45,9 +45,7 @@ abstract class MirrorsVisitor {
     visitTypeMirror(mirror);
   }
 
-  visitDeclarationMirror(DeclarationMirror mirror) {
-
-  }
+  visitDeclarationMirror(DeclarationMirror mirror) {}
 
   visitFunctionTypeMirror(FunctionTypeMirror mirror) {
     visitClassMirror(mirror);
@@ -66,9 +64,7 @@ abstract class MirrorsVisitor {
     visitDeclarationMirror(mirror);
   }
 
-  visitObjectMirror(ObjectMirror mirror) {
-
-  }
+  visitObjectMirror(ObjectMirror mirror) {}
 
   visitParameterMirror(ParameterMirror mirror) {
     visitVariableMirror(mirror);
@@ -89,4 +85,4 @@ abstract class MirrorsVisitor {
   visitVariableMirror(VariableMirror mirror) {
     visitDeclarationMirror(mirror);
   }
-}
+}