Format all tests.

tests/language/issue20476_test.dart

Index: tests/language/issue20476_test.dart
diff --git a/tests/language/issue20476_test.dart b/tests/language/issue20476_test.dart
index 35890a672dc6476dd2b20129c02a0d757dbfb945..f0202be6010a7eb59b99fb5efc0f6bf592a7ed86 100644
--- a/tests/language/issue20476_test.dart
+++ b/tests/language/issue20476_test.dart
@@ -8,17 +8,14 @@ foo() {
   try {
     try {
       return 1;
-    } catch (e1) {
-    } finally {
+    } catch (e1) {} finally {
       return 3;
     }
-  } catch (e2) {
-  } finally  {
+  } catch (e2) {} finally {
     return 5;
   }
 }
 
-
 main() {
   Expect.equals(5, foo());
 }