diff --git a/packages/inscription-view/src/components/parts/output/OutputPart.test.tsx b/packages/inscription-view/src/components/parts/output/OutputPart.test.tsx
index 23b418d08..08fd557e1 100644
--- a/packages/inscription-view/src/components/parts/output/OutputPart.test.tsx
+++ b/packages/inscription-view/src/components/parts/output/OutputPart.test.tsx
@@ -1,5 +1,5 @@
 import type { DeepPartial } from 'test-utils';
-import { render, screen, TableUtil, renderHook, waitFor, CollapsableUtil } from 'test-utils';
+import { render, screen, TableUtil, renderHook, CollapsableUtil } from 'test-utils';
 import { useOutputPart } from './OutputPart';
 import type { PartStateFlag } from '../../editors/part/usePart';
 import type { ElementData, OutputData } from '@axonivy/process-editor-inscription-protocol';
diff --git a/playwright/tests/page-objects/inscription/responsible-component.ts b/playwright/tests/page-objects/inscription/responsible-component.ts
index 0a9f5b860..ff83a027d 100644
--- a/playwright/tests/page-objects/inscription/responsible-component.ts
+++ b/playwright/tests/page-objects/inscription/responsible-component.ts
@@ -16,29 +16,29 @@ export class ResponsibleComponent {
     this.select = new Select(part.page, locator, { nth: 1 });
   }
 
-  async fill(type: ValuesAsUnion<typeof RESPONSIBLE_TYPE>, responsible?: string) {
+  async fill(type: ValuesAsUnion<typeof RESPONSIBLE_TYPE>, responsible = '') {
     await this.typeSelect.choose(type);
     switch (type) {
       case 'Role from Attr.':
       case 'User from Attr.':
-        await this.script.fill(responsible!);
+        await this.script.fill(responsible);
         break;
       case 'Role':
-        await this.select.choose(responsible!);
+        await this.select.choose(responsible);
         break;
       case 'Nobody & delete':
     }
   }
 
-  async expectFill(type: ValuesAsUnion<typeof RESPONSIBLE_TYPE>, responsible?: string) {
+  async expectFill(type: ValuesAsUnion<typeof RESPONSIBLE_TYPE>, responsible = '') {
     await this.typeSelect.expectValue(type);
     switch (type) {
       case 'Role from Attr.':
       case 'User from Attr.':
-        await this.script.expectValue(responsible!);
+        await this.script.expectValue(responsible);
         break;
       case 'Role':
-        await this.select.expectValue(responsible!);
+        await this.select.expectValue(responsible);
         break;
       case 'Nobody & delete':
     }
diff --git a/playwright/tests/screenshots/editor/editor.spec.ts b/playwright/tests/screenshots/editor/editor.spec.ts
index dbaf4a800..006ea147f 100644
--- a/playwright/tests/screenshots/editor/editor.spec.ts
+++ b/playwright/tests/screenshots/editor/editor.spec.ts
@@ -56,8 +56,10 @@ test('connector-user', async ({ page }) => {
   const editor = await ProcessEditor.openProcess(page, { file: '/processes/market/UserEnroll.p.json', waitFor: '.sprotty-graph' });
   const subCall = editor.element('subProcessCall');
   const inscription = await subCall.inscribe();
-  await expect(subCall.locator().getByRole('img').first()).toHaveAttribute('src', /.+user.png/);
-  await page.waitForTimeout(1000); // wait for user.png being rendered
+  const img = subCall.locator().getByRole('img').first();
+  await expect(img).toHaveJSProperty('complete', true);
+  await expect(img).not.toHaveJSProperty('naturalWidth', 0);
+  // await page.waitForTimeout(1000); // wait for user.png being rendered
   const process = inscription.accordion('Process');
   await process.toggle();
   await screenshot(page, 'connector-user.png', { height: 400 });
diff --git a/playwright/tests/viewer/read-only.spec.ts b/playwright/tests/viewer/read-only.spec.ts
index 68466ea48..38fa27859 100644
--- a/playwright/tests/viewer/read-only.spec.ts
+++ b/playwright/tests/viewer/read-only.spec.ts
@@ -6,6 +6,7 @@ test('node removal disabled', async ({ page }) => {
   const start = processEditor.startElement;
   await start.select();
   await page.keyboard.press('Delete');
+  // eslint-disable-next-line playwright/no-wait-for-timeout
   await page.waitForTimeout(500);
   await start.isSelected();
 });