diff --git a/packages/calendar/test/lion-calendar.test.js b/packages/calendar/test/lion-calendar.test.js
index 65c56d378..fdde99409 100644
--- a/packages/calendar/test/lion-calendar.test.js
+++ b/packages/calendar/test/lion-calendar.test.js
@@ -531,9 +531,11 @@ describe('<lion-calendar>', () => {
           await el.updateComplete;
 
           expect(elObj.previousYearButtonEl?.hasAttribute('disabled')).to.equal(false);
-          expect(elObj.previousYearButtonEl.ariaLabel).to.equal('Previous year, July 1999');
+          expect(elObj.previousYearButtonEl.getAttribute('aria-label')).to.equal(
+            'Previous year, July 1999',
+          );
           expect(elObj.nextYearButtonEl?.hasAttribute('disabled')).to.equal(false);
-          expect(elObj.nextYearButtonEl.ariaLabel).to.equal('Next year, May 2001');
+          expect(elObj.nextYearButtonEl.getAttribute('aria-label')).to.equal('Next year, May 2001');
         });
       });
 
diff --git a/packages/collapsible/test/lion-collapsible.test.js b/packages/collapsible/test/lion-collapsible.test.js
index a3848d266..497d6550b 100644
--- a/packages/collapsible/test/lion-collapsible.test.js
+++ b/packages/collapsible/test/lion-collapsible.test.js
@@ -11,7 +11,7 @@ const fixture = /** @type {(arg: TemplateResult) => Promise<LionCollapsible>} */
 
 const collapsibleTemplate = html`
   <button slot="invoker">More about cars</button>
-  <div slot="content">
+  <div slot="content" style="font-size: 12px; line-height: 16px; font-family: Arial;">
     Most definitions of cars say that they run primarily on roads, seat one to eight people, have
     four tires, and mainly transport people rather than goods.
   </div>
@@ -50,7 +50,7 @@ describe('<lion-collapsible>', () => {
       expect(collapsible._contentHeight).to.equal('0px');
       collapsible.show();
       await collapsible.requestUpdate();
-      expect(collapsible._contentHeight).to.equal('36px');
+      expect(collapsible._contentHeight).to.equal('32px');
     });
   });
 
diff --git a/packages/form-core/test-suites/FormatMixin.suite.js b/packages/form-core/test-suites/FormatMixin.suite.js
index fda8f011b..dd75de569 100644
--- a/packages/form-core/test-suites/FormatMixin.suite.js
+++ b/packages/form-core/test-suites/FormatMixin.suite.js
@@ -69,7 +69,7 @@ export function runFormatMixinSuite(customConfig) {
         if (options.viewValue) {
           return !options.toggleValue ? '5-5-2005' : '10-10-2010';
         }
-        return !options.toggleValue ? new Date('5-5-2005') : new Date('10-10-2010');
+        return !options.toggleValue ? new Date('5/5/2005') : new Date('10/10/2010');
       case Array:
         return !options.toggleValue ? ['foo', 'bar'] : ['baz', 'yay'];
       case Object:
diff --git a/packages/input-amount/test/lion-input-amount.test.js b/packages/input-amount/test/lion-input-amount.test.js
index c40f259ea..10852a1f0 100644
--- a/packages/input-amount/test/lion-input-amount.test.js
+++ b/packages/input-amount/test/lion-input-amount.test.js
@@ -73,7 +73,7 @@ describe('<lion-input-amount>', () => {
     const el = /** @type {LionInputAmount} */ (await fixture(
       `<lion-input-amount></lion-input-amount>`,
     ));
-    expect(el._inputNode.inputMode).to.equal('decimal');
+    expect(el._inputNode.getAttribute('inputmode')).to.equal('decimal');
   });
 
   it('has type="text" to activate default keyboard on mobile with all necessary symbols', async () => {