test: refactor all test directories into one

test/array-update/config.ts

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+import { buildConfig } from '../buildConfig';
+
+export default buildConfig({
+  collections: [{
+    slug: 'arrays',
+    fields: [
+      {
+        name: 'array',
+        type: 'array',
+        fields: [
+          {
+            type: 'text',
+            name: 'required',
+            required: true,
+          },
+          {
+            type: 'text',
+            name: 'optional',
+          },
+        ],
+      },
+    ],
+  }],
+});

test/array-update/int.spec.ts

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+import mongoose from 'mongoose';
+import { initPayloadTest } from '../helpers/configHelpers';
+import payload from '../../src';
+import config from './config';
+import type { Array as ArrayCollection } from './payload-types';
+
+const collection = config.collections[0]?.slug;
+
+describe('array-update', () => {
+  beforeAll(async () => {
+    await initPayloadTest({ __dirname });
+  });
+
+  afterAll(async () => {
+    await mongoose.connection.dropDatabase();
+    await mongoose.connection.close();
+    await payload.mongoMemoryServer.stop();
+  });
+
+  it('should persist existing array-based data while updating and passing row ID', async () => {
+    const originalText = 'some optional text';
+
+    const doc = await payload.create({
+      collection,
+      data: {
+        array: [
+          {
+            required: 'a required field here',
+            optional: originalText,
+          },
+          {
+            required: 'another required field here',
+            optional: 'this is cool',
+          },
+        ],
+      },
+    });
+
+    const arrayWithExistingValues = [
+      ...doc.array,
+    ];
+
+    const updatedText = 'this is some new text for the first item in array';
+
+    arrayWithExistingValues[0] = {
+      id: arrayWithExistingValues[0].id,
+      required: updatedText,
+    };
+
+
+    const updatedDoc = await payload.update<ArrayCollection>({
+      id: doc.id,
+      collection,
+      data: {
+        array: arrayWithExistingValues,
+      },
+    });
+
+    expect(updatedDoc.array?.[0]).toMatchObject({
+      required: updatedText,
+      optional: originalText,
+    });
+  });
+
+  it('should disregard existing array-based data while updating and NOT passing row ID', async () => {
+    const updatedText = 'here is some new text';
+
+    const secondArrayItem = {
+      required: 'test',
+      optional: 'optional test',
+    };
+
+    const doc = await payload.create<ArrayCollection>({
+      collection,
+      data: {
+        array: [
+          {
+            required: 'a required field here',
+            optional: 'some optional text',
+          },
+          secondArrayItem,
+        ],
+      },
+    });
+
+    const updatedDoc = await payload.update<ArrayCollection>({
+      id: doc.id,
+      collection,
+      data: {
+        array: [
+          {
+            required: updatedText,
+          },
+          {
+            id: doc.array?.[1].id,
+            required: doc.array?.[1].required as string,
+            // NOTE - not passing optional field. It should persist
+            // because we're passing ID
+          },
+        ],
+      },
+    });
+
+    expect(updatedDoc.array?.[0].required).toStrictEqual(updatedText);
+    expect(updatedDoc.array?.[0].optional).toBeUndefined();
+
+    expect(updatedDoc.array?.[1]).toMatchObject(secondArrayItem);
+  });
+});

test/array-update/payload-types.ts

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+/* tslint:disable */
+/**
+ * This file was automatically generated by Payload CMS.
+ * DO NOT MODIFY IT BY HAND. Instead, modify your source Payload config,
+ * and re-run `payload generate:types` to regenerate this file.
+ */
+
+export interface Config {}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "arrays".
+ */
+export interface Array {
+  id: string;
+  array?: {
+    required: string;
+    optional?: string;
+    id?: string;
+  }[];
+  createdAt: string;
+  updatedAt: string;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "users".
+ */
+export interface User {
+  id: string;
+  email?: string;
+  resetPasswordToken?: string;
+  resetPasswordExpiration?: string;
+  loginAttempts?: number;
+  lockUntil?: string;
+  createdAt: string;
+  updatedAt: string;
+}