chore: add test/ to workspace, update most references

test/relationships/config.ts

@@ -1,4 +1,4 @@
-import type { CollectionConfig } from '../../packages/payload/src/collections/config/types.js'
+import type { CollectionConfig } from 'payload/types'
 
 import { buildConfigWithDefaults } from '../buildConfigWithDefaults.js'
 import { devUser } from '../credentials.js'

test/relationships/int.spec.ts

@@ -1,6 +1,7 @@
+import type { Payload } from 'payload'
+
 import { randomBytes } from 'crypto'
 
-import type { Payload } from '../../packages/payload/src/index.js'
 import type { NextRESTClient } from '../helpers/NextRESTClient.js'
 import type {
   ChainedRelation,