diff --git a/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/DescriptionSuggestion.spec.ts b/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/DescriptionSuggestion.spec.ts
index dd2d3fc29ec2..3e79e8bcca26 100644
--- a/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/DescriptionSuggestion.spec.ts
+++ b/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/DescriptionSuggestion.spec.ts
@@ -17,7 +17,10 @@ import { UserClass } from '../../support/user/UserClass';
 import { performAdminLogin } from '../../utils/admin';
 import { redirectToHomePage } from '../../utils/common';
 import { waitForAllLoadersToDisappear } from '../../utils/entity';
-import { createTableDescriptionSuggestions } from '../../utils/suggestions';
+import {
+  createTableDescriptionSuggestions,
+  expandTableSuggestionColumns,
+} from '../../utils/suggestions';
 import { performUserLogin } from '../../utils/user';
 
 const table = new TableClass();
@@ -72,6 +75,9 @@ test.describe.serial(
         // Two users profile will be visible, 3rd one will come after AllFetch is clicked
         await expect(allAvatarSuggestion).toHaveCount(1);
 
+        // Expand nested struct/array columns so their suggestion cards render
+        await expandTableSuggestionColumns(page, table);
+
         // Click the first avatar
         await allAvatarSuggestion.nth(0).click();
 
@@ -135,6 +141,9 @@ test.describe.serial(
           .getByTestId('asset-description-container')
           .getByTestId('profile-avatar');
 
+        // Expand nested columns so columnsName[5] row is accessible
+        await expandTableSuggestionColumns(page, table);
+
         // Click the first avatar
         await allAvatarSuggestion.nth(0).click();
 
@@ -153,6 +162,10 @@ test.describe.serial(
         await page.reload();
         await waitForAllLoadersToDisappear(page);
 
+        // Re-expand after reload so columnsName[5] row is visible for verification
+        // and remains expanded for subsequent test steps
+        await expandTableSuggestionColumns(page, table);
+
         // since we accepted two suggestions, the badge count should be total-2
         await expect(
           page
diff --git a/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/TagsSuggestion.spec.ts b/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/TagsSuggestion.spec.ts
index 8d9940d09d85..2011f047fa39 100644
--- a/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/TagsSuggestion.spec.ts
+++ b/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/TagsSuggestion.spec.ts
@@ -15,7 +15,10 @@ import { TableClass } from '../../support/entity/TableClass';
 import { UserClass } from '../../support/user/UserClass';
 import { performAdminLogin } from '../../utils/admin';
 import { redirectToHomePage } from '../../utils/common';
-import { createTableTagsSuggestions } from '../../utils/suggestions';
+import {
+  createTableTagsSuggestions,
+  expandTableSuggestionColumns,
+} from '../../utils/suggestions';
 
 const table = new TableClass();
 const table2 = new TableClass();
@@ -73,6 +76,9 @@ test.describe('Tags Suggestions Table Entity', () => {
       // Two users profile will be visible, 3rd one will come after AllFetch is clicked
       await expect(allAvatarSuggestion).toHaveCount(1);
 
+      // Expand nested struct/array columns so their suggestion cards render
+      await expandTableSuggestionColumns(page, table);
+
       // Click the first avatar
       await allAvatarSuggestion.nth(0).click();
 
diff --git a/openmetadata-ui/src/main/resources/ui/playwright/utils/nestedColumnUpdatesUtils.ts b/openmetadata-ui/src/main/resources/ui/playwright/utils/nestedColumnUpdatesUtils.ts
index 3faa7c785355..b2b6a77abbe4 100644
--- a/openmetadata-ui/src/main/resources/ui/playwright/utils/nestedColumnUpdatesUtils.ts
+++ b/openmetadata-ui/src/main/resources/ui/playwright/utils/nestedColumnUpdatesUtils.ts
@@ -136,7 +136,7 @@ export const getNestedColumnDetails = (type: string, data: EntityTypes) => {
 
 const DUPLICATE_NAME = `name-${uuid()}`;
 
-const expandNestedColumn = async (
+export const expandNestedColumn = async (
   page: Page,
   rowKey: string,
   childKey: string
diff --git a/openmetadata-ui/src/main/resources/ui/playwright/utils/suggestions.ts b/openmetadata-ui/src/main/resources/ui/playwright/utils/suggestions.ts
index 49f5b878075a..301a06ed0a50 100644
--- a/openmetadata-ui/src/main/resources/ui/playwright/utils/suggestions.ts
+++ b/openmetadata-ui/src/main/resources/ui/playwright/utils/suggestions.ts
@@ -10,7 +10,9 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-import { APIRequestContext } from '@playwright/test';
+import { APIRequestContext, Page } from '@playwright/test';
+import { TableClass } from '../support/entity/TableClass';
+import { expandNestedColumn } from './nestedColumnUpdatesUtils';
 
 const SUGGESTION_DESCRIPTION_DATA = {
   description: 'this is suggested data description',
@@ -45,6 +47,25 @@ const SUGGESTION_TIER_TAGS_DATA = {
   type: 'SuggestTagLabel',
 };
 
+export const expandTableSuggestionColumns = async (
+  page: Page,
+  table: TableClass
+) => {
+  const cols = table.entityResponseData.columns ?? [];
+  const structCol = cols[2];
+  const arrayCol = (structCol.children ?? [])[1];
+  await expandNestedColumn(
+    page,
+    structCol.fullyQualifiedName ?? '',
+    (structCol.children ?? [])[0].fullyQualifiedName ?? ''
+  );
+  await expandNestedColumn(
+    page,
+    arrayCol.fullyQualifiedName ?? '',
+    (arrayCol.children ?? [])[0].fullyQualifiedName ?? ''
+  );
+};
+
 export const createTableDescriptionSuggestions = async (
   apiContext: APIRequestContext,
   entityLink: string
diff --git a/openmetadata-ui/src/main/resources/ui/src/components/TestLibrary/TestDefinitionForm/TestDefinitionForm.test.tsx b/openmetadata-ui/src/main/resources/ui/src/components/TestLibrary/TestDefinitionForm/TestDefinitionForm.test.tsx
index d4f90f185bb5..f5cf7823914a 100644
--- a/openmetadata-ui/src/main/resources/ui/src/components/TestLibrary/TestDefinitionForm/TestDefinitionForm.test.tsx
+++ b/openmetadata-ui/src/main/resources/ui/src/components/TestLibrary/TestDefinitionForm/TestDefinitionForm.test.tsx
@@ -352,8 +352,9 @@ describe('TestDefinitionForm Component', () => {
     };
 
     // testPlatforms defaults to [OpenMetadata] so it never fires an error on empty submit.
-    // name + entityType are the two required fields without defaults.
-    it('should show exactly 2 validation errors when create form is submitted empty', async () => {
+    // supportedDataTypes is required when OpenMetadata is selected.
+    // name + entityType + supportedDataTypes are the required fields without defaults.
+    it('should show exactly 3 validation errors when create form is submitted empty', async () => {
       render(
         <TestDefinitionForm onCancel={mockOnCancel} onSuccess={mockOnSuccess} />
       );
@@ -363,7 +364,7 @@ describe('TestDefinitionForm Component', () => {
       await waitFor(() => {
         const errors = screen.getAllByText('message.field-text-is-required');
 
-        expect(errors).toHaveLength(2);
+        expect(errors).toHaveLength(3);
       });
     });
 
@@ -383,9 +384,9 @@ describe('TestDefinitionForm Component', () => {
             .getByLabelText('label.name')
             .closest('.ant-form-item');
 
-          expect(nameFormItem).toHaveTextContent(
-            'message.field-text-is-required'
-          );
+          expect(
+            nameFormItem?.querySelector('.ant-form-item-explain-error')
+          ).toHaveTextContent('message.field-text-is-required');
         });
       });
 
@@ -404,9 +405,9 @@ describe('TestDefinitionForm Component', () => {
             .getByLabelText('label.entity-type')
             .closest('.ant-form-item');
 
-          expect(entityTypeFormItem).toHaveTextContent(
-            'message.field-text-is-required'
-          );
+          expect(
+            entityTypeFormItem?.querySelector('.ant-form-item-explain-error')
+          ).toHaveTextContent('message.field-text-is-required');
         });
       });
 
@@ -430,6 +431,29 @@ describe('TestDefinitionForm Component', () => {
         ).toBeInTheDocument();
       });
 
+      it('supportedDataTypes field is required for OpenMetadata tests', async () => {
+        render(
+          <TestDefinitionForm
+            onCancel={mockOnCancel}
+            onSuccess={mockOnSuccess}
+          />
+        );
+
+        await submitEmptyForm();
+
+        await waitFor(() => {
+          const supportedDataTypesFormItem = screen
+            .getByLabelText('label.supported-data-type-plural')
+            .closest('.ant-form-item');
+
+          expect(
+            supportedDataTypesFormItem?.querySelector(
+              '.ant-form-item-explain-error'
+            )
+          ).toHaveTextContent('message.field-text-is-required');
+        });
+      });
+
       it('parameter name field is required', async () => {
         render(
           <TestDefinitionForm
@@ -558,9 +582,14 @@ describe('TestDefinitionForm Component', () => {
         await assertNoRequiredError(formItem);
       });
 
-      it('supportedDataTypes field is optional', async () => {
+      it('supportedDataTypes field is optional for non-OpenMetadata tests', async () => {
         render(
           <TestDefinitionForm
+            initialValues={{
+              ...mockExternalTestDefinition,
+              testPlatforms: [TestPlatform.Dbt],
+              supportedDataTypes: [],
+            }}
             onCancel={mockOnCancel}
             onSuccess={mockOnSuccess}
           />