test: stabilize a couple of tests

src/components/accordion/__snapshots__/accordion.spec.snap.js

@@ -111,23 +111,3 @@ snapshots["sbb-accordion A11y tree Firefox"] =
 `;
 /* end snapshot sbb-accordion A11y tree Firefox */
 
-snapshots["sbb-accordion A11y tree Safari"] = 
-`<p>
-  {
-  "role": "WebArea",
-  "name": "",
-  "children": [
-    {
-      "role": "button",
-      "name": "Header 1"
-    },
-    {
-      "role": "button",
-      "name": "Header 2"
-    }
-  ]
-}
-</p>
-`;
-/* end snapshot sbb-accordion A11y tree Safari */
-

src/components/accordion/accordion.spec.ts

@@ -1,7 +1,6 @@
 import { expect } from '@open-wc/testing';
 import { html } from 'lit/static-html.js';
 
-import { waitForLitRender } from '../core/testing';
 import { fixture, testA11yTreeSnapshot } from '../core/testing/private';
 
 import type { SbbAccordionElement } from './accordion';
@@ -24,7 +23,6 @@ describe(`sbb-accordion`, () => {
         </sbb-expansion-panel>
       </sbb-accordion>
     `);
-    await waitForLitRender(element);
   });
 
   it('renders - Dom', async () => {

src/components/action-group/__snapshots__/action-group.spec.snap.js

@@ -48,7 +48,7 @@ snapshots["sbb-action-group renders renders - ShadowDom"] =
 `;
 /* end snapshot sbb-action-group renders renders - ShadowDom */
 
-snapshots["sbb-action-group renders A11y tree Chrome"] =
+snapshots["sbb-action-group renders A11y tree Chrome"] = 
 `<p>
   {
   "role": "WebArea",
@@ -101,35 +101,3 @@ snapshots["sbb-action-group renders A11y tree Firefox"] =
 `;
 /* end snapshot sbb-action-group renders A11y tree Firefox */
 
-snapshots["sbb-action-group renders A11y tree Safari"] = 
-`<p>
-  {
-  "role": "WebArea",
-  "name": "",
-  "children": [
-    {
-      "role": "button",
-      "name": "Button"
-    },
-    {
-      "role": "link",
-      "name": "",
-      "children": [
-        {
-          "role": "link",
-          "name": "Link",
-          "children": [
-            {
-              "role": "text",
-              "name": "Link"
-            }
-          ]
-        }
-      ]
-    }
-  ]
-}
-</p>
-`;
-/* end snapshot sbb-action-group renders A11y tree Safari */
-

src/components/action-group/action-group.e2e.ts

@@ -30,7 +30,6 @@ describe(`sbb-action-group with ${fixture.name}`, () => {
       `,
       { modules: ['./action-group.ts', '../button/index.ts', '../link/index.ts'] },
     );
-    await waitForLitRender(element);
   });
 
   it('renders', async () => {

src/components/action-group/action-group.spec.ts

@@ -2,7 +2,6 @@ import { expect } from '@open-wc/testing';
 import { html } from 'lit/static-html.js';
 
 import type { SbbSecondaryButtonElement } from '../button';
-import { waitForLitRender } from '../core/testing';
 import { fixture, testA11yTreeSnapshot } from '../core/testing/private';
 
 import type { SbbActionGroupElement } from './action-group';
@@ -26,7 +25,6 @@ describe(`sbb-action-group`, () => {
           </sbb-block-link>
         </sbb-action-group>
       `);
-      await waitForLitRender(element);
     });
 
     it('renders - Dom', async () => {

src/components/alert/alert-group/__snapshots__/alert-group.spec.snap.js

@@ -113,49 +113,3 @@ snapshots["sbb-alert-group should render A11y tree Firefox"] =
 `;
 /* end snapshot sbb-alert-group should render A11y tree Firefox */
 
-snapshots["sbb-alert-group should render A11y tree Safari"] = 
-`<p>
-  {
-  "role": "WebArea",
-  "name": "",
-  "children": [
-    {
-      "role": "heading",
-      "name": "Disruptions",
-      "level": 3
-    },
-    {
-      "role": "heading",
-      "name": "Interruption between Genève and Lausanne",
-      "level": 3
-    },
-    {
-      "role": "text",
-      "name": "The rail traffic between Allaman and Morges is interrupted. All trains are cancelled."
-    },
-    {
-      "role": "link",
-      "name": "",
-      "children": [
-        {
-          "role": "link",
-          "name": "Find out more",
-          "children": [
-            {
-              "role": "text",
-              "name": "Find out more"
-            }
-          ]
-        }
-      ]
-    },
-    {
-      "role": "button",
-      "name": "Close message"
-    }
-  ]
-}
-</p>
-`;
-/* end snapshot sbb-alert-group should render A11y tree Safari */
-

src/components/alert/alert-group/alert-group.e2e.ts

@@ -35,9 +35,6 @@ describe(`sbb-alert-group with ${fixture.name}`, () => {
     const didDismissAlertSpy = new EventSpy(SbbAlertGroupElement.events.didDismissAlert);
     const emptySpy = new EventSpy(SbbAlertGroupElement.events.empty);
 
-    // When rendering initially
-    await waitForLitRender(element);
-
     // Then two alerts should be rendered and accessibility title should be displayed
     expect(element.querySelectorAll('sbb-alert').length).to.be.equal(2);
     const alertGroupTitle = element.shadowRoot!.querySelector('.sbb-alert-group__title')!;

src/components/alert/alert-group/alert-group.spec.ts

@@ -1,7 +1,6 @@
 import { expect } from '@open-wc/testing';
 import { html } from 'lit/static-html.js';
 
-import { waitForLitRender } from '../../core/testing';
 import { fixture, testA11yTreeSnapshot } from '../../core/testing/private';
 
 import type { SbbAlertGroupElement } from './alert-group';
@@ -23,7 +22,6 @@ describe(`sbb-alert-group`, () => {
           </sbb-alert>
         </sbb-alert-group>
       `);
-      await waitForLitRender(root);
     });
 
     it('Dom', async () => {

src/components/alert/alert/__snapshots__/alert.spec.snap.js

@@ -215,44 +215,3 @@ snapshots["sbb-alert A11y tree Firefox"] =
 `;
 /* end snapshot sbb-alert A11y tree Firefox */
 
-snapshots["sbb-alert A11y tree Safari"] = 
-`<p>
-  {
-  "role": "WebArea",
-  "name": "",
-  "children": [
-    {
-      "role": "heading",
-      "name": "Interruption",
-      "level": 3
-    },
-    {
-      "role": "text",
-      "name": "Alert content "
-    },
-    {
-      "role": "link",
-      "name": "test-a11y-label",
-      "children": [
-        {
-          "role": "link",
-          "name": "Find out more",
-          "children": [
-            {
-              "role": "text",
-              "name": "Find out more"
-            }
-          ]
-        }
-      ]
-    },
-    {
-      "role": "button",
-      "name": "Close message"
-    }
-  ]
-}
-</p>
-`;
-/* end snapshot sbb-alert A11y tree Safari */
-

src/components/alert/alert/alert.spec.ts

@@ -1,7 +1,6 @@
 import { expect } from '@open-wc/testing';
 import { html } from 'lit/static-html.js';
 
-import { waitForLitRender } from '../../core/testing';
 import { fixture, testA11yTreeSnapshot } from '../../core/testing/private';
 
 import type { SbbAlertElement } from './alert';
@@ -15,7 +14,6 @@ describe(`sbb-alert`, () => {
     element = await fixture(
       html`<sbb-alert disable-animation title-content="Interruption">Alert content</sbb-alert>`,
     );
-    await waitForLitRender(element);
 
     expect(element).dom.to.be.equal(
       `
@@ -45,8 +43,6 @@ describe(`sbb-alert`, () => {
       >`,
     );
 
-    await waitForLitRender(element);
-
     expect(element).dom.to.be.equal(
       `
         <sbb-alert

src/components/autocomplete/__snapshots__/autocomplete.spec.snap.js

@@ -353,25 +353,3 @@ snapshots["sbb-autocomplete renders in form field Safari ShadowDom"] =
 `;
 /* end snapshot sbb-autocomplete renders in form field Safari ShadowDom */
 
-snapshots["sbb-autocomplete renders in form field A11y tree Safari"] = 
-`<p>
-  {
-  "role": "WebArea",
-  "name": "",
-  "children": [
-    {
-      "role": "text",
-      "name": "​"
-    },
-    {
-      "role": "combobox",
-      "name": "",
-      "autocomplete": "list",
-      "haspopup": "listbox"
-    }
-  ]
-}
-</p>
-`;
-/* end snapshot sbb-autocomplete renders in form field A11y tree Safari */
-

src/components/autocomplete/autocomplete.spec.ts

@@ -2,7 +2,7 @@ import { expect } from '@open-wc/testing';
 import { html } from 'lit/static-html.js';
 
 import { isSafari } from '../core/dom';
-import { describeIf, waitForLitRender } from '../core/testing';
+import { describeIf } from '../core/testing';
 import { fixture, testA11yTreeSnapshot } from '../core/testing/private';
 import type { SbbFormFieldElement } from '../form-field';
 
@@ -13,38 +13,39 @@ import './autocomplete';
 
 describe(`sbb-autocomplete`, () => {
   describe('renders standalone', async () => {
-    let elem: SbbAutocompleteElement;
+    let element: SbbAutocompleteElement;
 
     beforeEach(async () => {
-      await fixture(html`
-        <div id="origin"></div>
-        <input id="trigger" />
-        <sbb-autocomplete origin="origin" trigger="trigger">
-          <sbb-option value="1">1</sbb-option>
-          <sbb-option value="2">2</sbb-option>
-        </sbb-autocomplete>
-      `);
-      elem = document.querySelector('sbb-autocomplete')!;
-      await waitForLitRender(elem);
+      const testFixture = await fixture(
+        html`<div>
+          <div id="origin"></div>
+          <input id="trigger" />
+          <sbb-autocomplete origin="origin" trigger="trigger">
+            <sbb-option value="1">1</sbb-option>
+            <sbb-option value="2">2</sbb-option>
+          </sbb-autocomplete>
+        </div> `,
+      );
+      element = testFixture.querySelector('sbb-autocomplete')!;
     });
 
     describeIf(!isSafari(), 'Chrome-Firefox', async () => {
       it('Dom', async () => {
-        await expect(elem).dom.to.be.equalSnapshot();
+        await expect(element).dom.to.be.equalSnapshot();
       });
 
       it('ShadowDom', async () => {
-        await expect(elem).shadowDom.to.be.equalSnapshot();
+        await expect(element).shadowDom.to.be.equalSnapshot();
       });
     });
 
     describeIf(isSafari(), 'Safari', async () => {
       it('Dom', async () => {
-        await expect(elem).dom.to.be.equalSnapshot();
+        await expect(element).dom.to.be.equalSnapshot();
       });
 
       it('ShadowDom', async () => {
-        await expect(elem).shadowDom.to.be.equalSnapshot();
+        await expect(element).shadowDom.to.be.equalSnapshot();
       });
     });
   });
@@ -62,7 +63,6 @@ describe(`sbb-autocomplete`, () => {
           </sbb-autocomplete>
         </sbb-form-field>
       `);
-      await waitForLitRender(root);
     });
 
     describeIf(!isSafari(), 'Chrome-Firefox', async () => {