refactor: address frontend review feedback

src/features/auth/model/auth.test.tsx

@@ -30,7 +30,7 @@ function createAuthWrapper(
 describe("AuthProvider", () => {
 	it("authorizes requests after restoring the initial session", async () => {
 		let authorization: null | string
-			// eslint-disable-next-line unicorn/no-null -- Exercise the explicit null returned by the production API/DOM contract.
+
 			= null;
 
 		server.use(
@@ -234,12 +234,12 @@ describe("AuthProvider", () => {
 			});
 			expect(
 				result.current.user?.id
-				// eslint-disable-next-line unicorn/no-null -- Exercise the explicit null returned by the production API/DOM contract.
+
 				?? null,
 			).toBe(
 				loginAfterLogout
 					? "b"
-					: null, // eslint-disable-line unicorn/no-null -- Exercise the explicit null returned by the production API/DOM contract.
+					: null,
 			);
 			expect(order).toEqual([
 				"refresh-start",