test: move ipcRenderer spec to main runner (#20093)

spec/api-remote-spec.js

@@ -511,4 +511,40 @@ ifdescribe(features.isRemoteModuleEnabled())('remote module', () => {
       w.loadURL('about:blank')
     })
   })
+
+  describe('remote listeners', () => {
+    let w = null
+    afterEach(() => closeWindow(w).then(() => { w = null }))
+
+    it('detaches listeners subscribed to destroyed renderers, and shows a warning', (done) => {
+      w = new BrowserWindow({
+        show: false,
+        webPreferences: {
+          nodeIntegration: true
+        }
+      })
+
+      w.webContents.once('did-finish-load', () => {
+        w.webContents.once('did-finish-load', () => {
+          const expectedMessage = [
+            'Attempting to call a function in a renderer window that has been closed or released.',
+            'Function provided here: remote-event-handler.html:11:33',
+            'Remote event names: remote-handler, other-remote-handler'
+          ].join('\n')
+
+          const results = ipcRenderer.sendSync('try-emit-web-contents-event', w.webContents.id, 'remote-handler')
+
+          expect(results).to.deep.equal({
+            warningMessage: expectedMessage,
+            listenerCountBefore: 2,
+            listenerCountAfter: 1
+          })
+          done()
+        })
+
+        w.webContents.reload()
+      })
+      w.loadFile(path.join(fixtures, 'api', 'remote-event-handler.html'))
+    })
+  })
 })