enable eslint jest/expect-expect and jest/no-done-callback (#3272)

follow up to https://github.com/MichMich/MagicMirror/pull/3270

tests/e2e/animateCSS_spec.js

@@ -21,6 +21,7 @@ describe("AnimateCSS integration Test", () => {
 	 * move similar tests in function doTest
 	 * @param {string} [animationIn] animation in name of AnimateCSS to test.
 	 * @param {string} [animationOut] animation out name of AnimateCSS to test.
+	 * @returns {boolean} result
 	 */
 	const doTest = async (animationIn, animationOut) => {
 		await helpers.getDocument();
@@ -42,6 +43,7 @@ describe("AnimateCSS integration Test", () => {
 		} else {
 			expect(styles._values["animation-name"]).toBeUndefined();
 		}
+		return true;
 	};
 
 	afterEach(async () => {
@@ -51,28 +53,28 @@ describe("AnimateCSS integration Test", () => {
 	describe("animateIn and animateOut Test", () => {
 		it("with flipInX and flipOutX animation", async () => {
 			await helpers.startApplication(testConfigFile);
-			await doTest("flipInX", "flipOutX");
+			await expect(doTest("flipInX", "flipOutX")).resolves.toBe(true);
 		});
 	});
 
 	describe("use animateOut name for animateIn (vice versa) Test", () => {
 		it("without animation", async () => {
 			await helpers.startApplication(testConfigFileInvertedAnimationName);
-			await doTest();
+			await expect(doTest()).resolves.toBe(true);
 		});
 	});
 
 	describe("false Animation name test", () => {
 		it("without animation", async () => {
 			await helpers.startApplication(testConfigFileFallbackToDefault);
-			await doTest();
+			await expect(doTest()).resolves.toBe(true);
 		});
 	});
 
 	describe("no Animation defined test", () => {
 		it("without animation", async () => {
 			await helpers.startApplication(testConfigByDefault);
-			await doTest();
+			await expect(doTest()).resolves.toBe(true);
 		});
 	});
 });