dart2js: run dartfmt on tests

tests/compiler/dart2js_extra/consistent_subtract_error_test.dart

Index: tests/compiler/dart2js_extra/consistent_subtract_error_test.dart
diff --git a/tests/compiler/dart2js_extra/consistent_subtract_error_test.dart b/tests/compiler/dart2js_extra/consistent_subtract_error_test.dart
index 757c37dff58a3d4044d61ce406157a2e8add75e0..ed396916ae300803be37403cc3138cd3394eb1b9 100644
--- a/tests/compiler/dart2js_extra/consistent_subtract_error_test.dart
+++ b/tests/compiler/dart2js_extra/consistent_subtract_error_test.dart
@@ -19,6 +19,7 @@ void check2(String name, name1, f1, name2, f2) {
     }
     Expect.fail('should throw: $name.$part');
   }
+
   var e1 = trap(name1, f1);
   var e2 = trap(name2, f2);
   var s1 = '$e1';
@@ -53,12 +54,12 @@ class IntMinusNull {
   }
 
   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;
   }
 
@@ -81,7 +82,7 @@ class IntMinusString {
   }
 
   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');
   }
 
@@ -94,7 +95,7 @@ class IntMinusString {
   }
 
   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';
   }