Don't use JS as an example in removeGrammar test

Author: maxbrunsfeld

spec/grammar-registry-spec.js

@@ -6,7 +6,7 @@ const temp = require('temp').track()
 const TextBuffer = require('text-buffer')
 const GrammarRegistry = require('../src/grammar-registry')
 
-describe('GrammarRegistry', () => {
+fdescribe('GrammarRegistry', () => {
   let grammarRegistry
 
   beforeEach(() => {
@@ -339,10 +339,10 @@ describe('GrammarRegistry', () => {
 
   describe('.removeGrammar(grammar)', () => {
     it("removes the grammar, so it won't be returned by selectGrammar", async () => {
-      await atom.packages.activatePackage('language-javascript')
-      const grammar = atom.grammars.selectGrammar('foo.js')
+      await atom.packages.activatePackage('language-css')
+      const grammar = atom.grammars.selectGrammar('foo.css')
       atom.grammars.removeGrammar(grammar)
-      expect(atom.grammars.selectGrammar('foo.js').name).not.toBe(grammar.name)
+      expect(atom.grammars.selectGrammar('foo.css').name).not.toBe(grammar.name)
     })
   })