Removed fixed dependencies

packages/dart_style/test/whitespace/methods.unit

 40 columns                              |
 >>>
 class A {void x(){}}
 <<<
 class A {
   void x() {}
 }
 >>>
 class A{static bool x(){return true;}}
 <<<
@@ skipping 16 matching lines @@
     return file;
   }
 }
 <<<
 class A {
   foo(path) {
     var buffer = new StringBuffer();
     var file = new File(path);
     return file;
   }
+}
+>>> covariant (skip: published version of analyzer doesn't support 'covariant yet')
+class A {
+  pos(    covariant  int a,covariant    b  );
+  opt([ covariant int a,covariant    b  ]);
+  named({ covariant int a,covariant    b  });
+  fn(     covariant  int f(bool b));
+}
+<<<
+class A {
+  pos(covariant int a, covariant b);
+  opt([covariant int a, covariant b]);
+  named({covariant int a, covariant b});
+  fn(covariant int f(bool b));
+}
+>>> covariant in initializing formal (not valid, but dartfmt should accept) (skip: published version of analyzer doesn't support 'covariant yet')
+class A {
+  A(   covariant   this.foo);
+}
+<<<
+class A {
+  A(covariant this.foo);
 }