diff --git a/apps/server/src/modules/board/service/column-board.service.spec.ts b/apps/server/src/modules/board/service/column-board.service.spec.ts
index 5b0da8b87fe..b71e4363cff 100644
--- a/apps/server/src/modules/board/service/column-board.service.spec.ts
+++ b/apps/server/src/modules/board/service/column-board.service.spec.ts
@@ -4,7 +4,7 @@ import { EntityId } from '@shared/domain/types';
 import { StorageLocation } from '@src/modules/files-storage/interface';
 import { ObjectId } from '@mikro-orm/mongodb';
 import { CopyElementType, CopyStatus, CopyStatusEnum } from '../../copy-helper';
-import { BoardExternalReference, BoardExternalReferenceType, ColumnBoard } from '../domain';
+import { BoardExternalReference, BoardExternalReferenceType, ColumnBoard, ColumnBoardProps } from '../domain';
 import { BoardNodeRepo } from '../repo';
 import { columnBoardFactory } from '../testing';
 import { BoardNodeService } from './board-node.service';
@@ -131,4 +131,24 @@ describe('ColumnBoardService', () => {
 
 		expect(result).toEqual(columnBoard);
 	});
+
+	describe('createColumnBoard', () => {
+		describe('when creating new ColumnBoard', () => {
+			const setup = () => {
+				const columnBoard = columnBoardFactory.build() as unknown as ColumnBoardProps;
+
+				repo.save.mockResolvedValue();
+
+				return { columnBoard };
+			};
+
+			it('should call BoardNodeRepo', async () => {
+				const { columnBoard } = setup();
+
+				await service.createColumnBoard(columnBoard);
+
+				expect(repo.save).toHaveBeenCalledTimes(1);
+			});
+		});
+	});
 });
diff --git a/apps/server/src/modules/common-cartridge/service/common-cartridge-import.service.spec.ts b/apps/server/src/modules/common-cartridge/service/common-cartridge-import.service.spec.ts
index fb771065ccb..144199a70c1 100644
--- a/apps/server/src/modules/common-cartridge/service/common-cartridge-import.service.spec.ts
+++ b/apps/server/src/modules/common-cartridge/service/common-cartridge-import.service.spec.ts
@@ -2,6 +2,7 @@ import { faker } from '@faker-js/faker';
 import { createMock, DeepMocked } from '@golevelup/ts-jest';
 import { CoursesClientAdapter } from '@infra/courses-client';
 import { Test, TestingModule } from '@nestjs/testing';
+import { BoardsClientAdapter } from '@infra/boards-client';
 import type { CommonCartridgeFileParser } from '../import/common-cartridge-file-parser';
 import { CommonCartridgeImportService } from './common-cartridge-import.service';
 
@@ -9,6 +10,18 @@ jest.mock('../import/common-cartridge-file-parser', () => {
 	const fileParserMock = createMock<CommonCartridgeFileParser>();
 
 	fileParserMock.getTitle.mockReturnValue(faker.lorem.words());
+	fileParserMock.getOrganizations.mockReturnValue([
+		{
+			pathDepth: 0,
+			title: faker.lorem.words(),
+			path: faker.system.filePath(),
+			identifier: faker.string.uuid(),
+			isInlined: true,
+			isResource: false,
+			resourcePath: faker.system.filePath(),
+			resourceType: faker.lorem.word(),
+		},
+	]);
 
 	return {
 		CommonCartridgeFileParser: jest.fn(() => fileParserMock),
@@ -19,6 +32,7 @@ describe(CommonCartridgeImportService.name, () => {
 	let module: TestingModule;
 	let sut: CommonCartridgeImportService;
 	let coursesClientAdapterMock: DeepMocked<CoursesClientAdapter>;
+	let boardsClientAdapterMock: DeepMocked<BoardsClientAdapter>;
 
 	beforeEach(async () => {
 		module = await Test.createTestingModule({
@@ -28,11 +42,16 @@ describe(CommonCartridgeImportService.name, () => {
 					provide: CoursesClientAdapter,
 					useValue: createMock<CoursesClientAdapter>(),
 				},
+				{
+					provide: BoardsClientAdapter,
+					useValue: createMock<BoardsClientAdapter>(),
+				},
 			],
 		}).compile();
 
 		sut = module.get(CommonCartridgeImportService);
 		coursesClientAdapterMock = module.get(CoursesClientAdapter);
+		boardsClientAdapterMock = module.get(BoardsClientAdapter);
 	});
 
 	afterEach(async () => {
@@ -49,11 +68,27 @@ describe(CommonCartridgeImportService.name, () => {
 
 	describe('importFile', () => {
 		describe('when importing a file', () => {
+			const setup = () => {
+				const file = Buffer.from('');
+
+				return { file };
+			};
+
 			it('should create a course', async () => {
-				await sut.importFile(Buffer.from(''));
+				const { file } = setup();
+
+				await sut.importFile(file);
 
 				expect(coursesClientAdapterMock.createCourse).toHaveBeenCalledWith({ title: expect.any(String) });
 			});
+
+			it('should create boards', async () => {
+				const { file } = setup();
+
+				await sut.importFile(file);
+
+				expect(boardsClientAdapterMock.createBoard).toHaveBeenCalledTimes(1);
+			});
 		});
 	});
 });
diff --git a/apps/server/src/modules/learnroom/mapper/course.mapper.spec.ts b/apps/server/src/modules/learnroom/mapper/course.mapper.spec.ts
new file mode 100644
index 00000000000..b0706083941
--- /dev/null
+++ b/apps/server/src/modules/learnroom/mapper/course.mapper.spec.ts
@@ -0,0 +1,26 @@
+import { courseFactory } from '@src/testing/factory/course.factory';
+import { setupEntities } from '@src/testing/setup-entities';
+import { CourseMapper } from './course.mapper';
+import { CreateCourseResponse } from '../controller/dto';
+
+describe(CourseMapper.name, () => {
+	beforeAll(async () => {
+		await setupEntities();
+	});
+
+	describe('mapToCreateCourseResponse', () => {
+		const setup = () => {
+			const course = courseFactory.build();
+
+			return { course };
+		};
+
+		it('should return CreateCourseResponse', () => {
+			const { course } = setup();
+
+			const result = CourseMapper.mapToCreateCourseResponse(course);
+
+			expect(result).toEqual(new CreateCourseResponse({ courseId: course.id }));
+		});
+	});
+});
diff --git a/apps/server/src/modules/learnroom/mapper/course.mapper.ts b/apps/server/src/modules/learnroom/mapper/course.mapper.ts
index 389194c8a95..4f9992e9984 100644
--- a/apps/server/src/modules/learnroom/mapper/course.mapper.ts
+++ b/apps/server/src/modules/learnroom/mapper/course.mapper.ts
@@ -31,6 +31,8 @@ export class CourseMapper {
 	}
 
 	public static mapToCreateCourseResponse(course: Course): CreateCourseResponse {
-		return new CreateCourseResponse({ courseId: course.id });
+		const response = new CreateCourseResponse({ courseId: course.id });
+
+		return response;
 	}
 }
diff --git a/apps/server/src/modules/learnroom/service/course.service.spec.ts b/apps/server/src/modules/learnroom/service/course.service.spec.ts
index 62cfd379024..d305119d51a 100644
--- a/apps/server/src/modules/learnroom/service/course.service.spec.ts
+++ b/apps/server/src/modules/learnroom/service/course.service.spec.ts
@@ -235,4 +235,24 @@ describe('CourseService', () => {
 			});
 		});
 	});
+
+	describe('create', () => {
+		describe('when creating new Course', () => {
+			const setup = () => {
+				const course = courseFactory.buildWithId();
+
+				legacyCourseRepo.createCourse.mockResolvedValueOnce(course);
+
+				return { course };
+			};
+
+			it('should call createCourse from course repository', async () => {
+				const { course } = setup();
+
+				await expect(courseService.create(course)).resolves.not.toThrow();
+
+				expect(legacyCourseRepo.createCourse).toBeCalledWith(course);
+			});
+		});
+	});
 });
diff --git a/apps/server/src/modules/learnroom/service/course.service.ts b/apps/server/src/modules/learnroom/service/course.service.ts
index 94c9990196c..db91f3b061b 100644
--- a/apps/server/src/modules/learnroom/service/course.service.ts
+++ b/apps/server/src/modules/learnroom/service/course.service.ts
@@ -37,7 +37,9 @@ export class CourseService implements DeletionService, IEventHandler<UserDeleted
 	}
 
 	public findById(courseId: EntityId): Promise<CourseEntity> {
-		return this.repo.findById(courseId);
+		const course = this.repo.findById(courseId);
+
+		return course;
 	}
 
 	public async findAllCoursesByUserId(userId: EntityId): Promise<Counted<CourseEntity[]>> {