fix: afterAll.at is not a function

Resolves #25

src/metadata/utils/getStop.ts

@@ -1,11 +1,12 @@
 import type { TestInvocationMetadata } from 'jest-metadata';
 
+import { last } from '../../utils';
 import { STOP } from '../constants';
 
 export const getStop = (testInvocation: TestInvocationMetadata) => {
   const lastBlock =
-    testInvocation.afterAll.at(-1) ??
-    testInvocation.afterEach.at(-1) ??
+    last(testInvocation.afterAll) ??
+    last(testInvocation.afterEach) ??
     testInvocation.fn;
 
   const stop1 = testInvocation.get(STOP);

src/utils/index.ts

@@ -5,6 +5,7 @@ export * from './hijackFunction';
 export * from './isObject';
 export * from './isError';
 export * from './isPromiseLike';
+export * from './last';
 export * from './once';
 export * from './md5';
 export * from './processMaybePromise';

src/utils/last.ts

@@ -0,0 +1,4 @@
+export function last<T>(array: T[]): T | undefined {
+  // eslint-disable-next-line unicorn/prefer-at
+  return array[array.length - 1];
+}