Move the copy event test to editor, make selection test copy implementation

spec/atom/editor-spec.coffee

@@ -511,4 +511,14 @@ describe "Editor", ->
       expect(editor.clipPosition(row: 1, column: 10000)).toEqual(row: 1, column: buffer.getLine(1).length)
       expect(editor.clipPosition(row: 1, column: -5)).toEqual(row: 1, column: 0)
 
+  describe "cut, copy & paste", ->
+    describe "when a copy event is triggered", ->
+      beforeEach ->
+        editor.getSelection().setRange new Range([0,4], [0, 13])
+        atom.native.writeToPasteboard('first')
+        expect(atom.native.readFromPasteboard()).toBe 'first'
+
+      it "copies selected text onto the clipboard", ->
+        editor.trigger "copy"
+        expect(atom.native.readFromPasteboard()).toBe 'quicksort'
 

spec/atom/selection-spec.coffee

@@ -125,16 +125,16 @@ describe "Selection", ->
 
     it "places selected text on the clipboard", ->
       selection.setRange new Range([0,4], [0,13])
-      editor.trigger "copy"
+      selection.copy()
       expect(atom.native.readFromPasteboard()).toBe 'quicksort'
 
       selection.setRange new Range([0,4], [3,13])
-      editor.trigger "copy"
+      selection.copy()
       expect(atom.native.readFromPasteboard()).toBe "quicksort = function () {\n  var sort = function(items) {\n    if (items.length <= 1) return items;\n    var pivot"
 
     it "places nothing on the clipboard when there is no selection", ->
       selection.setRange new Range([0,4], [0,4])
-      editor.trigger "copy"
+      selection.copy()
       expect(atom.native.readFromPasteboard()).toBe 'first'