Specs for concurrent opening

spec/workspace-spec.js

@@ -274,6 +274,21 @@ describe('Workspace', () => {
             })
           })
 
+          it('discovers existing editors that are still opening', () => {
+            let editor0 = null
+            let editor1 = null
+
+            waitsForPromise(() => Promise.all([
+              workspace.open('spartacus.txt').then(o0 => { editor0 = o0 }),
+              workspace.open('spartacus.txt').then(o1 => { editor1 = o1 }),
+            ]))
+
+            runs(() => {
+              expect(editor0).toEqual(editor1)
+              expect(workspace.getActivePane().items).toEqual([editor0])
+            })
+          })
+
           it("uses the location specified by the model's `getDefaultLocation()` method", () => {
             const item = {
               getDefaultLocation: jasmine.createSpy().andReturn('right'),
@@ -361,6 +376,28 @@ describe('Workspace', () => {
           })
         })
 
+        it('discovers existing editors that are still opening in an inactive pane', () => {
+          let editor0 = null
+          let editor1 = null
+          const pane0 = workspace.getActivePane()
+          const pane1 = workspace.getActivePane().splitRight()
+
+          pane0.activate()
+          const promise0 = workspace.open('spartacus.txt', {searchAllPanes: true}).then(o0 => { editor0 = o0 })
+          pane1.activate()
+          const promise1 = workspace.open('spartacus.txt', {searchAllPanes: true}).then(o1 => { editor1 = o1 })
+
+          waitsForPromise(() => Promise.all([promise0, promise1]))
+
+          runs(() => {
+            expect(editor0).toBeDefined()
+            expect(editor1).toBeDefined()
+
+            expect(editor0).toEqual(editor1)
+            expect(workspace.getActivePane().items).toEqual([editor0])
+          })
+        })
+
         it('activates the pane in the dock with the matching item', () => {
           const dock = atom.workspace.getRightDock()
           const ITEM_URI = 'atom://test'