       describe "when the edit session does not use the GFM grammar", ->
         it "does not show a markdown preview", ->
           spyOn(console, 'warn')
-          rootView.open()
+          rootView.openSync()
           expect(rootView.getPanes()).toHaveLength(1)
           rootView.getActiveView().trigger 'markdown-preview:show'
           expect(rootView.getPanes()).toHaveLength(1)


  describe "markdown-preview:show", ->
    beforeEach ->
      rootView.open("file.markdown")

    describe "when the active item is an edit session", ->
      beforeEach ->

          expect(rootView.getActivePane()).toBe pane2
          preview = pane2.activeItem
          expect(preview).toBeInstanceOf(MarkdownPreviewView)
          rootView.openSync()
          expect(pane2.activeItem).not.toBe preview
          pane1.focus()

