text: describe("toBeNull", function() {
    it("passes for null", function() {
      var matcherComparator = j$.matchers.toBeNull(),
        result;
  
      result = matcherComparator(null);
      expect(result.pass).toBe(true);
    });
  
    it("fails for non-null", function() {
      var matcherComparator = j$.matchers.toBeNull(),
        result;
  
      result = matcherComparator('foo');
      expect(result.pass).toBe(false);
    });
  });
  