Created tests for non-orphan visits components

test/visits/NonOrphanVisitsHeader.test.tsx

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+import { shallow } from 'enzyme';
+import { Mock } from 'ts-mockery';
+import { NonOrphanVisitsHeader } from '../../src/visits/NonOrphanVisitsHeader';
+import VisitsHeader from '../../src/visits/VisitsHeader';
+import { Visit, VisitsInfo } from '../../src/visits/types';
+
+describe('<NonOrphanVisitsHeader />', () => {
+  it('wraps a VisitsHeader with provided data', () => {
+    const visits: Visit[] = [];
+    const orphanVisits = Mock.of<VisitsInfo>({ visits });
+    const goBack = jest.fn();
+
+    const wrapper = shallow(<NonOrphanVisitsHeader nonOrphanVisits={orphanVisits} goBack={goBack} />);
+    const visitsHeader = wrapper.find(VisitsHeader);
+
+    expect(visitsHeader).toHaveLength(1);
+    expect(visitsHeader.prop('visits')).toEqual(visits);
+    expect(visitsHeader.prop('goBack')).toEqual(goBack);
+    expect(visitsHeader.prop('title')).toEqual('Non-orphan visits');
+  });
+});