E2E test: Percy visua regression improvements

platform/viewer/cypress/integration/visual-regression/PercyCheckOHIFExtensionMicroscopy.spec.js

@@ -0,0 +1,23 @@
+describe('Visual Regression - OHIF Microscopy Extension', () => {
+  before(() => {
+    cy.openStudyModality('SM');
+    cy.expectMinimumThumbnails(6);
+  });
+
+  it('drags and drop a SM thumbnail into viewport', () => {
+    cy.get('[data-cy="thumbnail-list"]')
+      .contains('SM')
+      .drag('.viewport-drop-target');
+
+    cy.get('.DicomMicroscopyViewer')
+      .its('length')
+      .should('be.eq', 1);
+
+    cy.wait(3000); //Waiting for image to render before taking the snapshot
+    // Visual comparison
+    cy.screenshot('Microscopy Extension - Should display loaded canvas');
+    cy.percyCanvasSnapshot(
+      'Microscopy Extension - Should display loaded canvas'
+    );
+  });
+});