Updating cypress tests

cypress/integration/other/webpackUsage.spec.js

@@ -0,0 +1,11 @@
+/* eslint-env jest */
+describe('Sequencediagram', () => {
+  it('should render a simple sequence diagrams', () => {
+    const url = 'http://localhost:9000/webpackUsage.html';
+
+    cy.visit(url);
+    cy.get('body')
+      .find('svg')
+      .should('have.length', 2);
+  });
+});