diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..0c53077
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,21 @@
+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "overrides": [
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": "latest"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+    }
+}
diff --git a/package-lock.json b/package-lock.json
index 0872e28..a3e1629 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,8 +13,8 @@
         "@types/mocha": "^10.0.1",
         "@types/node": "16.x",
         "@types/vscode": "^1.74.0",
-        "@typescript-eslint/eslint-plugin": "^5.45.0",
-        "@typescript-eslint/parser": "^5.45.0",
+        "@typescript-eslint/eslint-plugin": "^5.48.2",
+        "@typescript-eslint/parser": "^5.48.2",
         "@vscode/test-electron": "^2.2.0",
         "eslint": "^8.28.0",
         "glob": "^8.0.3",
diff --git a/package.json b/package.json
index ef689ae..b970fd5 100644
--- a/package.json
+++ b/package.json
@@ -53,17 +53,17 @@
     "test": "node ./out/test/runTest.js"
   },
   "devDependencies": {
-    "@types/vscode": "^1.74.0",
     "@types/glob": "^8.0.0",
     "@types/mocha": "^10.0.1",
     "@types/node": "16.x",
-    "@typescript-eslint/eslint-plugin": "^5.45.0",
-    "@typescript-eslint/parser": "^5.45.0",
+    "@types/vscode": "^1.74.0",
+    "@typescript-eslint/eslint-plugin": "^5.48.2",
+    "@typescript-eslint/parser": "^5.48.2",
+    "@vscode/test-electron": "^2.2.0",
     "eslint": "^8.28.0",
     "glob": "^8.0.3",
     "mocha": "^10.1.0",
-    "typescript": "^4.9.3",
-    "@vscode/test-electron": "^2.2.0"
+    "typescript": "^4.9.3"
   },
   "bugs": {
     "url": "https://github.com/svaberg/SWMF-grammar/issues"
diff --git a/src/test/runTest.ts b/src/test/runTest.ts
new file mode 100644
index 0000000..27b3ceb
--- /dev/null
+++ b/src/test/runTest.ts
@@ -0,0 +1,23 @@
+import * as path from 'path';
+
+import { runTests } from '@vscode/test-electron';
+
+async function main() {
+	try {
+		// The folder containing the Extension Manifest package.json
+		// Passed to `--extensionDevelopmentPath`
+		const extensionDevelopmentPath = path.resolve(__dirname, '../../');
+
+		// The path to test runner
+		// Passed to --extensionTestsPath
+		const extensionTestsPath = path.resolve(__dirname, './suite/index');
+
+		// Download VS Code, unzip it and run the integration test
+		await runTests({ extensionDevelopmentPath, extensionTestsPath });
+	} catch (err) {
+		console.error('Failed to run tests');
+		process.exit(1);
+	}
+}
+
+main();
diff --git a/src/test/suite/extension.test.ts b/src/test/suite/extension.test.ts
new file mode 100644
index 0000000..4ca0ab4
--- /dev/null
+++ b/src/test/suite/extension.test.ts
@@ -0,0 +1,15 @@
+import * as assert from 'assert';
+
+// You can import and use all API from the 'vscode' module
+// as well as import your extension to test it
+import * as vscode from 'vscode';
+// import * as myExtension from '../../extension';
+
+suite('Extension Test Suite', () => {
+	vscode.window.showInformationMessage('Start all tests.');
+
+	test('Sample test', () => {
+		assert.strictEqual(-1, [1, 2, 3].indexOf(5));
+		assert.strictEqual(-1, [1, 2, 3].indexOf(0));
+	});
+});
diff --git a/src/test/suite/index.ts b/src/test/suite/index.ts
new file mode 100644
index 0000000..7029e38
--- /dev/null
+++ b/src/test/suite/index.ts
@@ -0,0 +1,38 @@
+import * as path from 'path';
+import * as Mocha from 'mocha';
+import * as glob from 'glob';
+
+export function run(): Promise<void> {
+	// Create the mocha test
+	const mocha = new Mocha({
+		ui: 'tdd',
+		color: true
+	});
+
+	const testsRoot = path.resolve(__dirname, '..');
+
+	return new Promise((c, e) => {
+		glob('**/**.test.js', { cwd: testsRoot }, (err, files) => {
+			if (err) {
+				return e(err);
+			}
+
+			// Add files to the test suite
+			files.forEach(f => mocha.addFile(path.resolve(testsRoot, f)));
+
+			try {
+				// Run the mocha test
+				mocha.run(failures => {
+					if (failures > 0) {
+						e(new Error(`${failures} tests failed.`));
+					} else {
+						c();
+					}
+				});
+			} catch (err) {
+				console.error(err);
+				e(err);
+			}
+		});
+	});
+}