Removed fixed dependencies

packages/dart_style/test/whitespace/enums.unit

Index: packages/dart_style/test/whitespace/enums.unit
diff --git a/packages/dart_style/test/whitespace/enums.unit b/packages/dart_style/test/whitespace/enums.unit
index 0d3cb7a53bd6386cef5f40d3d212257b4cbfe68f..ac05e4272a377c412ee7e4f15646aac90121c2ad 100644
--- a/packages/dart_style/test/whitespace/enums.unit
+++ b/packages/dart_style/test/whitespace/enums.unit
@@ -7,10 +7,13 @@ enum Unity { ONE }
 enum Primate{BONOBO,CHIMP,GORILLA}
 <<<
 enum Primate { BONOBO, CHIMP, GORILLA }
->>> single line trailing comma
+>>> trailing comma always splits
 enum Primate{BONOBO,CHIMP,}
 <<<
-enum Primate { BONOBO, CHIMP, }
+enum Primate {
+  BONOBO,
+  CHIMP,
+}
 >>> metadata
 @Awesome @Fierce("really")
 enum Primate{BONOBO,CHIMP,GORILLA}