Fix heading order issue with item page & update accessibility tests to prove it now passes

cypress/e2e/item-page.cy.ts

@@ -1,4 +1,3 @@
-import { Options } from 'cypress-axe';
 import { TEST_ENTITY_PUBLICATION } from 'cypress/support/e2e';
 import { testA11y } from 'cypress/support/utils';
 
@@ -19,13 +18,16 @@ describe('Item  Page', () => {
         cy.get('ds-item-page').should('be.visible');
 
         // Analyze <ds-item-page> for accessibility issues
-        // Disable heading-order checks until it is fixed
-        testA11y('ds-item-page',
-            {
-                rules: {
-                    'heading-order': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-item-page');
+    });
+
+    it('should pass accessibility tests on full item page', () => {
+        cy.visit(ENTITYPAGE + '/full');
+
+        // <ds-full-item-page> tag must be loaded
+        cy.get('ds-full-item-page').should('be.visible');
+
+        // Analyze <ds-full-item-page> for accessibility issues
+        testA11y('ds-full-item-page');
     });
 });

src/app/item-page/simple/field-components/specific-field/title/item-page-title-field.component.html

@@ -1,6 +1,6 @@
-<h2 class="item-page-title-field">
+<h1 class="item-page-title-field">
   <div *ngIf="item.firstMetadataValue('dspace.entity.type') as type" class="d-inline">
     {{ type.toLowerCase() + '.page.titleprefix' | translate }}
   </div>
   <span class="dont-break-out">{{ dsoNameService.getName(item) }}</span>
-</h2>
+</h1>

src/app/shared/metadata-field-wrapper/metadata-field-wrapper.component.html

@@ -1,5 +1,5 @@
 <div class="simple-view-element" [class.d-none]="hideIfNoTextContent && content.textContent.trim().length === 0">
-  <h5 class="simple-view-element-header" *ngIf="label">{{ label }}</h5>
+  <h2 class="simple-view-element-header" *ngIf="label">{{ label }}</h2>
   <div #content class="simple-view-element-body">
     <ng-content></ng-content>
   </div>

src/app/shared/metadata-field-wrapper/metadata-field-wrapper.component.scss

@@ -2,4 +2,7 @@
   .simple-view-element {
     margin-bottom: 15px;
   }
+  .simple-view-element-header {
+    font-size: 1.25rem;
+  }
 }