Revert "fix(no-done-callback): fix regression with it.each (#708)"

This reverts commit 2f032f8.

Author: SimenB

src/rules/__tests__/no-done-callback.test.ts

@@ -15,10 +15,6 @@ ruleTester.run('no-done-callback', rule, {
     'test("something", () => {})',
     'test("something", async () => {})',
     'test("something", function() {})',
-    'test.each``("something", ({ a, b }) => {})',
-    'test.each()("something", ({ a, b }) => {})',
-    'it.each()("something", ({ a, b }) => {})',
-    'it.each``("something", ({ a, b }) => {})',
     'test("something", async function () {})',
     'test("something", someArg)',
     'beforeEach(() => {})',
@@ -389,45 +385,5 @@ ruleTester.run('no-done-callback', rule, {
         },
       ],
     },
-    {
-      code: 'test.each``("something", ({ a, b }, done) => { done(); })',
-      errors: [
-        {
-          messageId: 'noDoneCallback',
-          line: 1,
-          column: 37,
-        },
-      ],
-    },
-    {
-      code: 'test.each()("something", ({ a, b }, done) => { done(); })',
-      errors: [
-        {
-          messageId: 'noDoneCallback',
-          line: 1,
-          column: 37,
-        },
-      ],
-    },
-    {
-      code: 'it.each``("something", ({ a, b }, done) => { done(); })',
-      errors: [
-        {
-          messageId: 'noDoneCallback',
-          line: 1,
-          column: 35,
-        },
-      ],
-    },
-    {
-      code: 'it.each()("something", ({ a, b }, done) => { done(); })',
-      errors: [
-        {
-          messageId: 'noDoneCallback',
-          line: 1,
-          column: 35,
-        },
-      ],
-    },
   ],
 });

src/rules/no-done-callback.ts

@@ -2,22 +2,11 @@ import {
   AST_NODE_TYPES,
   TSESTree,
 } from '@typescript-eslint/experimental-utils';
-import {
-  createRule,
-  getNodeName,
-  isFunction,
-  isHook,
-  isTestCase,
-} from './utils';
+import { createRule, isFunction, isHook, isTestCase } from './utils';
 
 const findCallbackArg = (
   node: TSESTree.CallExpression,
-  isJestEach: boolean,
 ): TSESTree.CallExpression['arguments'][0] | null => {
-  if (isJestEach) {
-    return node.arguments[1];
-  }
-
   if (isHook(node) && node.arguments.length >= 1) {
     return node.arguments[0];
   }
@@ -52,21 +41,17 @@ export default createRule({
   create(context) {
     return {
       CallExpression(node) {
-        // done is the second argument for it.each, not the first
-        const isJestEach = getNodeName(node.callee)?.endsWith('.each') ?? false;
-
-        const callback = findCallbackArg(node, isJestEach);
-        const callbackArgIndex = Number(isJestEach);
+        const callback = findCallbackArg(node);
 
         if (
           !callback ||
           !isFunction(callback) ||
-          callback.params.length !== 1 + callbackArgIndex
+          callback.params.length !== 1
         ) {
           return;
         }
 
-        const argument = callback.params[callbackArgIndex];
+        const [argument] = callback.params;
 
         if (argument.type !== AST_NODE_TYPES.Identifier) {
           context.report({