Test on Mac in CI

.github/workflows/node.js.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [macos-latest, ubuntu-latest, windows-latest]
         node-version: [14.x]
 
     runs-on: ${{ matrix.os }}
@@ -30,6 +30,11 @@ jobs:
     - name: Run tests (Linux)
       run: xvfb-run -a npm run test
       if: runner.os == 'Linux'
-    - name: Run tests (Windows, macOS)
+    - name: Run tests (macOS)
+      run: |
+        node generator/_patch_for_ci_on_macos.js
+        npm run test
+      if: runner.os == 'macOS'
+    - name: Run tests (Windows)
       run: npm run test
-      if: runner.os != 'Linux'
+      if: runner.os == 'Windows'

generator/_patch_for_ci_on_macos.js

@@ -0,0 +1,9 @@
+'use strict';
+const { readJSON, writeJSON } = require('./gen_wrapper_util');
+
+(async () => {
+    const PackageJsonPath = './package.json';
+    const packageJson = await readJSON(PackageJsonPath);
+    packageJson['contributes']['keybindings'] = [];
+    await writeJSON(PackageJsonPath, packageJson);
+})();