       var ironLocation = fixture('Solo');
        expect(pushStateCalls).to.be.equal(0);
        expect(replaceStateCalls).to.be.equal(0);
        ironLocation.path = '/foo';
        expect(replaceStateCalls).to.be.equal(1);
        expect(pushStateCalls).to.be.equal(0);
    });

      suite('when intercepting links', function() {
      /**
       * Clicks the given link while an iron-location element with the given
       * urlSpaceRegex is in the same document. Returns whether the
       * iron-location 