dart2js: run dartfmt on tests

tests/compiler/dart2js_extra/consistent_add_error_test.dart

Index: tests/compiler/dart2js_extra/consistent_add_error_test.dart
diff --git a/tests/compiler/dart2js_extra/consistent_add_error_test.dart b/tests/compiler/dart2js_extra/consistent_add_error_test.dart
index 22927e2ab56892a97e993d6860179009ba5d0b83..c224747bd3479d5b396e640dc470ca138c80de2b 100644
--- a/tests/compiler/dart2js_extra/consistent_add_error_test.dart
+++ b/tests/compiler/dart2js_extra/consistent_add_error_test.dart
@@ -53,12 +53,12 @@ class IntPlusNull {
   }
 
   static f5() {
-    var a = confuse(true) ? 1 : 2;  // Small int with unknown value.
+    var a = confuse(true) ? 1 : 2; // Small int with unknown value.
     return a + confuse(null);
   }
 
   static f6() {
-    var a = confuse(true) ? 1 : 2;  // Small int with unknown value.
+    var a = confuse(true) ? 1 : 2; // Small int with unknown value.
     return a + null;
   }
 
@@ -117,7 +117,7 @@ class IntPlusString {
   }
 
   static f3() {
-    var a = confuse(true) ? 1 : 2;  // Small int with unknown value.
+    var a = confuse(true) ? 1 : 2; // Small int with unknown value.
     return a + confuse('a');
   }
 
@@ -130,7 +130,7 @@ class IntPlusString {
   }
 
   static f6() {
-    var a = confuse(true) ? 1 : 2;  // Small int with unknown value.
+    var a = confuse(true) ? 1 : 2; // Small int with unknown value.
     return a + 'a';
   }