Add typeorm ,graphql settings for api testings

+import { Field, InputType } from '@nestjs/graphql';
+import { IsAlpha } from 'class-validator';
+import { Entity } from 'typeorm';
+
+@Entity()
+@InputType()
+export class CreateMyInput {
+  @IsAlpha()
+  @Field()
+  name: string;
+
+  @Field({ nullable: true })
+  type?: string;
+}

+import { Args, Mutation, Query, Resolver } from '@nestjs/graphql';
+import { MypageService } from './mypage.service';
+import { MyPage } from './mypage.entity';
+import { CreateMyInput } from './dto/create-mypage.input';
+
+@Resolver((of) => MyPage)
+export class MypageResolver {
+  constructor(private myPageService: MypageService) {}
+
+  @Query((returns) => [MyPage])
+  myPage(): Promise<MyPage[]> {
+    return this.myPageService.findAll();
+  }
+
+  @Mutation((returns) => MyPage)
+  createMyPage(
+    @Args('createMyInput') createMyPage: CreateMyInput,
+  ): Promise<MyPage> {
+    return this.myPageService.createMy(createMyPage);
+  }
+}

+import { Test, TestingModule } from '@nestjs/testing';
+import { MypageService } from './mypage.service';
+
+describe('MypageService', () => {
+  let service: MypageService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [MypageService],
+    }).compile();
+
+    service = module.get<MypageService>(MypageService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});

+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import { CreateMyInput } from './dto/create-mypage.input';
+import { MyPage } from './mypage.entity';
+
+@Injectable()
+export class MypageService {
+  constructor(
+    @InjectRepository(MyPage) private myPageRepository: Repository<MyPage>,
+  ) {}
+
+  async createMy(createMyInput: CreateMyInput): Promise<MyPage> {
+    const newPage = this.myPageRepository.create(createMyInput);
+
+    return this.myPageRepository.save(newPage);
+  }
+
+  async findAll(): Promise<MyPage[]> {
+    return this.myPageRepository.find();
+  }
+}