test(server): add validation test of api:notes/create (#10090)

* fix(server): notes/createのバリデーションが効いていない
Fix #10079

Co-Authored-By: mei23 <m@m544.net>

* anyOf内にバリデーションを書いても最初の一つしかチェックされない

* ✌️

* wip

* wip

* ✌️

* RequiredProp

* Revert "RequiredProp"

This reverts commit 74693900119a590263106fa3adefd008d69ce80c.

* add api:notes/create

* fix lint

* text

* ✌️

* improve readability

---------

Co-authored-by: mei23 <m@m544.net>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/backend/test/prelude/get-api-validator.ts

@@ -0,0 +1,11 @@
+import { Schema } from '@/misc/schema';
+import Ajv from 'ajv';
+
+export const getValidator = (paramDef: Schema) => {
+    const ajv = new Ajv({
+        useDefaults: true,
+    });
+    ajv.addFormat('misskey:id', /^[a-zA-Z0-9]+$/);		
+
+    return ajv.compile(paramDef);
+}