frontend tests, circleci

frontend/src/TestTest.test.tsx

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+import * as React from "react";
+
+import { shallow } from "enzyme";
+import { TestTest } from "~TestTest";
+
+describe("<Account />", () => {
+    it("should not crash", () => {
+        const wrapper = shallow(<TestTest />);
+        expect(wrapper.contains(<div>Hello!</div>)).toBeTruthy();
+    });
+});

frontend/src/TestTest.tsx

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+import * as React from "react";
+
+export function TestTest() {
+    return <div>Hello!</div>;
+}

frontend/src/setupTests.ts

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+import * as Enzyme from "enzyme";
+import * as Adapter from "enzyme-adapter-react-16";
+
+Enzyme.configure({ adapter: new Adapter() });