diff --git a/cypress/e2e/collection-edit.cy.ts b/cypress/e2e/collection-edit.cy.ts
index f6089acf70..3e7ecf6141 100644
--- a/cypress/e2e/collection-edit.cy.ts
+++ b/cypress/e2e/collection-edit.cy.ts
@@ -33,6 +33,25 @@ describe('Edit Collection > Assign Roles tab', () => {
     });
 });
 
+describe('Edit Collection > Content Source tab', () => {
+
+    it('should pass accessibility tests', () => {
+        cy.get('a[data-test="source"]').click();
+
+        // <ds-collection-source> tag must be loaded
+        cy.get('ds-collection-source').should('be.visible');
+
+        // Check the external source checkbox (to display all fields on the page)
+        cy.get('#externalSourceCheck').check();
+
+        // Wait for the source controls to appear
+        cy.get('ds-collection-source-controls').should('be.visible');
+
+        // Analyze entire page for accessibility issues
+        testA11y('ds-collection-source');
+    });
+});
+
 describe('Edit Collection > Curate tab', () => {
 
     it('should pass accessibility tests', () => {
@@ -72,6 +91,29 @@ describe('Edit Collection > Authorizations tab', () => {
     });
 });
 
+describe('Edit Collection > Item Mapper tab', () => {
+
+    it('should pass accessibility tests', () => {
+        cy.get('a[data-test="mapper"]').click();
+
+        // <ds-collection-item-mapper> tag must be loaded
+        cy.get('ds-collection-item-mapper').should('be.visible');
+
+        // Analyze entire page for accessibility issues
+        testA11y('ds-collection-item-mapper');
+
+        // Click on the "Map new Items" tab
+        cy.get('li[data-test="mapTab"] a').click();
+
+        // Make sure search form is now visible
+        cy.get('ds-search-form').should('be.visible');
+
+        // Analyze entire page (again) for accessibility issues
+        testA11y('ds-collection-item-mapper');
+    });
+});
+
+
 describe('Edit Collection > Delete page', () => {
 
     it('should pass accessibility tests', () => {
diff --git a/src/app/collection-page/collection-item-mapper/collection-item-mapper.component.html b/src/app/collection-page/collection-item-mapper/collection-item-mapper.component.html
index 649aa9b43d..77f85d5f78 100644
--- a/src/app/collection-page/collection-item-mapper/collection-item-mapper.component.html
+++ b/src/app/collection-page/collection-item-mapper/collection-item-mapper.component.html
@@ -6,7 +6,7 @@
       <p>{{'collection.edit.item-mapper.description' | translate}}</p>
 
       <ul ngbNav (navChange)="tabChange($event)" [destroyOnHide]="true" #tabs="ngbNav" class="nav-tabs">
-        <li [ngbNavItem]="'browseTab'" role="presentation">
+        <li [ngbNavItem]="'browseTab'" role="presentation" data-test="browseTab">
           <a ngbNavLink>{{'collection.edit.item-mapper.tabs.browse' | translate}}</a>
           <ng-template ngbNavContent>
             <div class="mt-2">
@@ -23,7 +23,7 @@
             </div>
           </ng-template>
         </li>
-        <li [ngbNavItem]="'mapTab'" role="presentation">
+        <li [ngbNavItem]="'mapTab'" role="presentation" data-test="mapTab">
           <a ngbNavLink>{{'collection.edit.item-mapper.tabs.map' | translate}}</a>
           <ng-template ngbNavContent>
             <div class="row mt-2">
diff --git a/src/app/collection-page/edit-collection-page/collection-source/collection-source-controls/collection-source-controls.component.html b/src/app/collection-page/edit-collection-page/collection-source/collection-source-controls/collection-source-controls.component.html
index 4d7b3e657e..521c771cfa 100644
--- a/src/app/collection-page/edit-collection-page/collection-source/collection-source-controls/collection-source-controls.component.html
+++ b/src/app/collection-page/edit-collection-page/collection-source/collection-source-controls/collection-source-controls.component.html
@@ -1,6 +1,6 @@
 <div *ngVar="(contentSource$ |async) as contentSource">
     <div class="container-fluid space-children-mr" *ngIf="shouldShow">
-        <h4>{{ 'collection.source.controls.head' | translate }}</h4>
+        <h3>{{ 'collection.source.controls.head' | translate }}</h3>
         <div>
             <span class="font-weight-bold">{{'collection.source.controls.harvest.status' | translate}}</span>
             <span>{{contentSource?.harvestStatus}}</span>
diff --git a/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html b/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html
index 41e66610a8..b0c155ac95 100644
--- a/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html
+++ b/src/app/collection-page/edit-collection-page/collection-source/collection-source.component.html
@@ -26,7 +26,7 @@
                for="externalSourceCheck">{{ 'collection.edit.tabs.source.external' | translate }}</label>
     </div>
     <ds-themed-loading *ngIf="!contentSource" [message]="'loading.content-source' | translate"></ds-themed-loading>
-    <h4 *ngIf="contentSource && (contentSource?.harvestType !== harvestTypeNone)">{{ 'collection.edit.tabs.source.form.head' | translate }}</h4>
+    <h3 *ngIf="contentSource && (contentSource?.harvestType !== harvestTypeNone)">{{ 'collection.edit.tabs.source.form.head' | translate }}</h3>
 </div>
 <div class="row">
     <ds-form *ngIf="formGroup && contentSource && (contentSource?.harvestType !== harvestTypeNone)"