Make test use word under cursor

src/packages/fuzzy-finder/spec/fuzzy-finder-spec.coffee

@@ -271,37 +271,37 @@ describe 'FuzzyFinder', ->
         expect(finder.list.find("li:contains(tree-view.js)")).not.toExist()
 
   describe "fuzzy find by content under cursor", ->
+    editor = null
+
     beforeEach ->
+      editor = rootView.getActiveEditor()
       rootView.attachToDom()
       spyOn(rootView.project, "getFilePaths").andCallThrough()
 
     it "opens the fuzzy finder window when there are multiple matches", ->
-      cursor = rootView.getActiveEditor().getCursor()
-      spyOn(cursor, "getCurrentWord").andReturn("sample")
+      editor.setText("sample")
       rootView.trigger 'fuzzy-finder:find-under-cursor'
 
       waitsFor ->
         finder.list.children('li').length > 0
 
       runs ->
-        expect(rootView.find('.fuzzy-finder')).toExist()
+        expect(finder).toBeVisible()
         expect(rootView.find('.fuzzy-finder input:focus')).toExist()
 
     it "opens a file directly when there is a single match", ->
-      cursor = rootView.getActiveEditor().getCursor()
-      spyOn(cursor, "getCurrentWord").andReturn("sample.txt")
+      editor.setText("sample.txt")
+      rootView.trigger 'fuzzy-finder:find-under-cursor'
 
       openedPath = null
       spyOn(rootView, "open").andCallFake (path) ->
         openedPath = path
 
-      rootView.trigger 'fuzzy-finder:find-under-cursor'
-
       waitsFor ->
         openedPath != null
 
       runs ->
-        expect(rootView.find('.fuzzy-finder')).not.toExist()
+        expect(finder).not.toBeVisible()
         expect(openedPath).toBe "sample.txt"
 
   describe "opening a path into a split", ->