test(visual-regression): Add percy tests and improve coverage (#4065)

platform/app/cypress/integration/visual-regression/OHIFPercyVideoDisplay.spec.js

@@ -0,0 +1,13 @@
+import '@percy/cypress';
+
+describe('OHIF Percy Video Display', () => {
+  beforeEach(() => {
+    cy.openStudyInViewer('2.25.96975534054447904995905761963464388233');
+    cy.wait(5000);
+    cy.expectMinimumThumbnails(0);
+  });
+
+  it('should display Videos correctly', () => {
+    cy.percyCanvasSnapshot('Video');
+  });
+});