Running extension test via Test Explorer

.vscode-test.mjs

@@ -0,0 +1,42 @@
+//@ts-check
+
+import { defineConfig } from '@vscode/test-cli';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+async function generateConfig() {
+    /** @type {import('@vscode/test-cli').TestConfiguration} */
+    let config = {
+        label: 'Extension Test',
+        files: ['out/**/*.vscode.test.js', 'out/**/*.vscode.common.test.js'],
+        version: 'insiders',
+        srcDir: 'src',
+        workspaceFolder: `${__dirname}/src/test/datascience`,
+        launchArgs: ['--enable-proposed-api'],
+        env: {
+            VSC_JUPYTER_FORCE_LOGGING: '1',
+            CI_PYTHON_PATH: '', // Update with path to real python interpereter used for testing.
+            XVSC_JUPYTER_INSTRUMENT_CODE_FOR_COVERAGE: '1',
+            XVSC_JUPYTER_INSTRUMENT_CODE_FOR_COVERAGE_HTML: '1', //Enable to get full coverage repor (in coverage folder).
+            VSC_JUPYTER_EXPOSE_SVC: '1'
+        }
+        // can not use Insiders if it's already running ;(
+        // useInstallation: {
+        //     fromMachine: true
+        // }
+    };
+
+    config.mocha = {
+        ui: 'tdd',
+        color: true,
+        timeout: 25000,
+        preload: `${__dirname}/out/platform/ioc/reflectMetadata.js`
+    };
+
+    return config;
+}
+
+export default defineConfig(generateConfig());

.vscode/settings.json

@@ -58,5 +58,6 @@
     "mochaExplorer.files": "./out/test/**/*.unit.test.js",
     "mochaExplorer.configFile": "./build/.mocha.unittests.js.json",
     "mochaExplorer.ui": "tdd",
-    "mochaExplorer.nodeArgv": ["--enable-source-maps"]
+    "mochaExplorer.nodeArgv": ["--enable-source-maps"],
+    "testExplorer.useNativeTesting": true
 }