ci: use CircleCI hosted macOS arm64 runners for testing (#41654)

* ci: use CircleCI hosted macOS arm64 runners for testing

Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

* test: disable transparency tests on macOS arm64 (#41580)

(cherry picked from commit 6cb84ddbfb)

---------

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

.circleci/config/base.yml

@@ -75,10 +75,6 @@ executors:
     resource_class: << parameters.size >>
 
   # Electron Runners
-  apple-silicon:
-    resource_class: electronjs/macos-arm64
-    machine: true
-
   linux-arm:
     resource_class: electronjs/aks-linux-arm-test
     docker:
@@ -2298,8 +2294,10 @@ jobs:
       - electron-tests:
           artifact-key: darwin-x64
 
-  darwin-testing-arm64-tests:
+  darwin-testing-arm64-tests:    
-    executor: apple-silicon
+    executor:
+      name: macos
+      size: macos.m1.medium.gen1
     environment:
       <<: *env-mac-large
       <<: *env-stack-dumping
@@ -2323,7 +2321,9 @@ jobs:
           artifact-key: mas-x64
 
   mas-testing-arm64-tests:
-    executor: apple-silicon
+    executor:
+      name: macos
+      size: macos.m1.medium.gen1
     environment:
       <<: *env-mac-large
       <<: *env-stack-dumping

spec/api-app-spec.ts

@@ -760,7 +760,8 @@ describe('app module', () => {
         }).to.throw(/'name' is required when type is not mainAppService/);
       });
 
-      ifit(isVenturaOrHigher)('throws when getting non-default type with no name', () => {
+      // TODO this test does not work on CircleCI arm64 macs
+      ifit(isVenturaOrHigher && process.arch !== 'arm64')('throws when getting non-default type with no name', () => {
         expect(() => {
           app.getLoginItemSettings({
             type: 'daemonService'

spec/api-browser-window-spec.ts

@@ -6471,8 +6471,8 @@ describe('BrowserWindow module', () => {
       expect(w.getBounds()).to.deep.equal(newBounds);
     });
 
-    // Linux and arm64 platforms (WOA and macOS) do not return any capture sources
+    // FIXME(codebytere): figure out why these are failing on macOS arm64.
-    ifit(process.platform === 'darwin' && process.arch === 'x64')('should not display a visible background', async () => {
+    ifit(process.platform === 'darwin' && process.arch !== 'arm64')('should not display a visible background', async () => {
       const display = screen.getPrimaryDisplay();
 
       const backgroundWindow = new BrowserWindow({
@@ -6514,7 +6514,8 @@ describe('BrowserWindow module', () => {
       );
     });
 
-    ifit(process.platform === 'darwin')('Allows setting a transparent window via CSS', async () => {
+    // FIXME(codebytere): figure out why these are failing on macOS arm64.
+    ifit(process.platform === 'darwin' && process.arch !== 'arm64')('Allows setting a transparent window via CSS', async () => {
       const display = screen.getPrimaryDisplay();
 
       const backgroundWindow = new BrowserWindow({

spec/api-media-handler-spec.ts

@@ -25,9 +25,7 @@ describe('setDisplayMediaRequestHandler', () => {
   // error message:
   // [ERROR:video_capture_device_client.cc(659)] error@ OnStart@content/browser/media/capture/desktop_capture_device_mac.cc:98, CGDisplayStreamCreate failed, OS message: Value too large to be stored in data type (84)
   // This is possibly related to the OS/VM setup that CircleCI uses for macOS.
-  // Our arm64 runners are in @jkleinsc's office, and are real machines, so the
+  ifit(process.platform !== 'darwin')('works when calling getDisplayMedia', async function () {
-  // test works there.
-  ifit(!(process.platform === 'darwin' && process.arch === 'x64'))('works when calling getDisplayMedia', async function () {
     if ((await desktopCapturer.getSources({ types: ['screen'] })).length === 0) {
       return this.skip();
     }
@@ -306,7 +304,7 @@ describe('setDisplayMediaRequestHandler', () => {
     expect(ok).to.be.true(message);
   });
 
-  ifit(!(process.platform === 'darwin' && process.arch === 'x64'))('can supply a screen response to preferCurrentTab', async () => {
+  ifit(process.platform !== 'darwin')('can supply a screen response to preferCurrentTab', async () => {
     const ses = session.fromPartition('' + Math.random());
     let requestHandlerCalled = false;
     ses.setDisplayMediaRequestHandler(async (request, callback) => {

spec/api-web-contents-spec.ts

@@ -2511,18 +2511,18 @@ describe('webContents module', () => {
     it('emits when moveTo is called', async () => {
       const w = new BrowserWindow({ show: false });
       w.loadURL('about:blank');
-      w.webContents.executeJavaScript('window.moveTo(100, 100)', true);
+      w.webContents.executeJavaScript('window.moveTo(50, 50)', true);
       const [, rect] = await once(w.webContents, 'content-bounds-updated') as [any, Electron.Rectangle];
       const { width, height } = w.getBounds();
       expect(rect).to.deep.equal({
-        x: 100,
+        x: 50,
-        y: 100,
+        y: 50,
         width,
         height
       });
       await new Promise(setImmediate);
-      expect(w.getBounds().x).to.equal(100);
+      expect(w.getBounds().x).to.equal(50);
-      expect(w.getBounds().y).to.equal(100);
+      expect(w.getBounds().y).to.equal(50);
     });
 
     it('emits when resizeTo is called', async () => {