installing external dep extensions

Author: gnikit

test/runTest.ts

@@ -12,7 +12,7 @@ async function main() {
     // Passed to --extensionTestsPath
     const extensionTestsPath = path.resolve(__dirname, './index');
 
-    const launchArgs = ["--disable-extensions", "--install-extension ms-vscode.cpptools"];
+    const launchArgs = ["--disable-extensions", "--install-extension=ms-vscode.cpptools"];
     // Download VS Code, unzip it and run the integration test
     await runTests({ launchArgs, extensionDevelopmentPath, extensionTestsPath });
   } catch (err) {