Switch to @vscode/test-cli

.azure-pipelines/common-steps.yml

@@ -27,8 +27,6 @@ steps:
 
 - script: npm run test
   displayName: Run tests
-  env:
-    DISPLAY: ':99.0'
 
 - script: npm run lint
   displayName: Lint

.gitignore

@@ -1,3 +1,4 @@
+coverage
 dist
 out
 node_modules

.vscode-test.mjs

@@ -0,0 +1,16 @@
+// @ts-check
+
+import { defineConfig } from '@vscode/test-cli';
+import path from 'path';
+
+export default defineConfig({
+    files: 'out/test/**/*.test.js',
+    workspaceFolder: path.join(import.meta.dirname, 'src', 'test', 'workspace'),
+    mocha: {
+        timeout: 100000,
+    },
+    coverage: {
+        reporter: ['cobertura', 'text', 'html'],
+        output: './coverage',
+    }
+});

.vscode/launch.json

@@ -21,7 +21,7 @@
             "name": "Extension Tests",
             "type": "extensionHost",
             "request": "launch",
-            "runtimeExecutable": "${execPath}",
+            "testConfiguration": "${workspaceFolder}/.vscode-test.js",
             "args": [
                 "${workspaceFolder}/src/test/workspace",
                 "--extensionDevelopmentPath=${workspaceFolder}",

.vscodeignore

@@ -1,12 +1,13 @@
-
 .gitattributes
 .gitignore
+.vscode-test.mjs
 tsconfig.json
 tslint.json
 webpack.config.js
 .azure-pipelines/
 .vscode/
 .vscode-test/
+coverage/
 dist/**/*.map
 examples/
 node_modules/