Added tests for EditCover component.

test/unit/js/src/components/EditCover.test.js

@@ -0,0 +1,41 @@
+/**
+ * External dependencies.
+ */
+import { render } from '@testing-library/react';
+import { expect, test } from '@jest/globals';
+import '@testing-library/jest-dom';
+
+/**
+ * Internal dependencies.
+ */
+import EditCover from '../../../../../src/components/EditCover';
+
+/**
+ * Coverage for EditCover.
+ */
+test('EditCover is display block by default', () => {
+	const { container } = render(
+		<EditCover />
+	);
+
+	expect(container.children[0]).toHaveStyle('position: relative');
+	expect(container.children[0].children[0]).toHaveStyle('display: block');
+});
+
+test('EditCover is display block when isSelected is false', () => {
+	const { container } = render(
+		<EditCover isSelected={false} />
+	);
+
+	expect(container.children[0]).toHaveStyle('position: relative');
+	expect(container.children[0].children[0]).toHaveStyle('display: block');
+});
+
+test('EditCover is display none when isSelected is true', () => {
+	const { container } = render(
+		<EditCover isSelected={true} />
+	);
+
+	expect(container.children[0]).toHaveStyle('position: relative');
+	expect(container.children[0].children[0]).toHaveStyle('display: none');
+});