feat(api) add missing pallet tests (#1666)

Author: Zewasik

api/src/Builtin.ts

@@ -1,14 +1,14 @@
 import { HexString } from 'types';
 import { GearApi } from './GearApi';
-import { u64 } from '@polkadot/types-codec';
 import { BuiltinQueryIdError } from './errors';
 
 export class GearBuiltin {
   constructor(private _api: GearApi) {}
 
-  async queryId(builtinId: u64): Promise<HexString> {
+  async queryId(builtinId: number | bigint): Promise<HexString> {
     try {
-      const result = await this._api.rpc.gearBuiltin.queryId(builtinId);
+      const valueId = this._api.createType('u64', BigInt(builtinId));
+      const result = await this._api.rpc.gearBuiltin.queryId(valueId);
       return result.toHex();
     } catch (err) {
       throw new BuiltinQueryIdError(err.message);

api/test/Builtin.test.ts

@@ -0,0 +1,24 @@
+import { GearApi } from '../src';
+import { sleep } from './utilsFunctions';
+import { WS_ADDRESS } from './config';
+import { BN } from '@polkadot/util';
+
+const api = new GearApi({ providerAddress: WS_ADDRESS });
+
+beforeAll(async () => {
+  await api.isReadyOrError;
+});
+
+afterAll(async () => {
+  await api.disconnect();
+  await sleep(1000);
+});
+
+describe('Query id', () => {
+  test('Random query id', async () => {
+    const builtinId = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER);
+
+    const id = await api.builtin.queryId(builtinId);
+    expect(id.length).toBe(66);
+  });
+});