diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6c9b00c4..5109682f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,4 +49,5 @@ jobs:
       shell: bash
       run: |
         npm run report:versions
+        npm run test:install
         npm run test:run
diff --git a/package.json b/package.json
index 9fc83935..ef23d46b 100644
--- a/package.json
+++ b/package.json
@@ -58,8 +58,8 @@
     "start:example:server:python": "npm run start:server:python --workspace packages/examples",
     "release:prepare": "npm run reset:repo && npm ci && npm run build && npm run lint && npm run test:run",
     "reset:repo": "git clean -f -X -d",
-    "test": "npm run test:webdriverio",
-    "test:run": "npm run test:webdriverio:run",
+    "test": "npm run test:playwright",
+    "test:run": "npm run test:playwright:run",
     "test:webdriverio": "vitest",
     "test:webdriverio:run": "vitest --run",
     "test:playwright": "vitest --config vitest.debug.config.ts",
diff --git a/packages/wrapper-react/test/index.test.tsx b/packages/wrapper-react/test/index.test.tsx
index 76361ccc..5a3d2df6 100644
--- a/packages/wrapper-react/test/index.test.tsx
+++ b/packages/wrapper-react/test/index.test.tsx
@@ -98,17 +98,13 @@ describe('Test MonacoEditorReactComp', () => {
         };
 
         const handleOnLoad = async (wrapper: MonacoEditorLanguageClientWrapper) => {
+            await wrapper.updateCodeResources({
+                main: {
+                    text: 'goodbye world',
+                    fileExt: 'js'
+                }
+            });
             count++;
-
-            setTimeout(async () => {
-                await wrapper.updateCodeResources({
-                    main: {
-                        text: 'goodbye world',
-                        fileExt: 'js'
-                    }
-                });
-            }, 100);
-
         };
         render(<MonacoEditorReactComp wrapperConfig={wrapperConfig} onLoad={handleOnLoad} onTextChanged={textReceiver} />);
     });
diff --git a/packages/wrapper/test/languageClientWrapper.test.ts b/packages/wrapper/test/languageClientWrapper.test.ts
index 74d230c5..01c4dea1 100644
--- a/packages/wrapper/test/languageClientWrapper.test.ts
+++ b/packages/wrapper/test/languageClientWrapper.test.ts
@@ -4,7 +4,7 @@
  * ------------------------------------------------------------------------------------------ */
 
 import { describe, expect, test } from 'vitest';
-import { LanguageClientConfig, LanguageClientWrapper, MonacoEditorLanguageClientWrapper } from 'monaco-editor-wrapper';
+import { LanguageClientWrapper, MonacoEditorLanguageClientWrapper } from 'monaco-editor-wrapper';
 import { createWrapperConfigExtendedApp } from './helper.js';
 
 describe('Test LanguageClientWrapper', () => {
@@ -18,37 +18,28 @@ describe('Test LanguageClientWrapper', () => {
     });
 
     test('Constructor: no config', async () => {
-        // create a web worker to pass to the wrapper
-        const worker = new Worker('./worker/langium-server.ts', {
-            type: 'module',
-            name: 'Langium LS',
-        });
-        const languageClientConfig: LanguageClientConfig = {
-            clientOptions: {
-                documentSelector: ['javascript']
-            },
-            connection: {
-                options: {
-                    $type: 'WorkerDirect',
-                    worker
+        const languageClientWrapper = new LanguageClientWrapper({
+            languageClientConfig: {
+                clientOptions: {
+                    documentSelector: ['javascript']
+                },
+                connection: {
+                    options: {
+                        $type: 'WorkerDirect',
+                        // create a web worker to pass to the wrapper
+                        worker: new Worker('./worker/langium-server.ts', {
+                            type: 'module',
+                            name: 'Langium LS',
+                        })
+                    }
                 }
             }
-        };
-
-        const languageClientWrapper = new LanguageClientWrapper({
-            languageClientConfig
         });
         expect(languageClientWrapper).toBeDefined();
         expect(languageClientWrapper.haveLanguageClient).toBeTruthy();
     });
 
     test('Dispose: direct worker is cleaned up afterwards', async () => {
-        // create a web worker to pass to the wrapper
-        const worker = new Worker('./worker/langium-server.ts', {
-            type: 'module',
-            name: 'Langium LS',
-        });
-
         // setup the wrapper
         const config = createWrapperConfigExtendedApp();
         config.languageClientConfigs = {
@@ -59,7 +50,11 @@ describe('Test LanguageClientWrapper', () => {
                 connection: {
                     options: {
                         $type: 'WorkerDirect',
-                        worker
+                        // create a web worker to pass to the wrapper
+                        worker: new Worker('./worker/langium-server.ts', {
+                            type: 'module',
+                            name: 'Langium LS',
+                        })
                     }
                 }
             }