Update fixed broken tests

src/test/java/cz/cvut/fit/tjv/seidlpet/semestralka/business/TeacherServiceImplTest.java

 package cz.cvut.fit.tjv.seidlpet.semestralka.business;
 import cz.cvut.fit.tjv.seidlpet.semestralka.data.TeacherRepository;
+import cz.cvut.fit.tjv.seidlpet.semestralka.data.dto.TeacherCreateDTO;
 import cz.cvut.fit.tjv.seidlpet.semestralka.data.entity.Teacher;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
@@ -69,7 +70,7 @@ class TeacherServiceImplTest {
         Teacher newTeacher = new Teacher(1,"Test","Teacher");
         BDDMockito.given(teacherRepository.findById(teacher.getId())).willReturn(Optional.of(teacher));
         BDDMockito.given(teacherRepository.save(newTeacher)).willReturn(newTeacher);
-        Assertions.assertEquals(newTeacher,teacherService.update(teacher.getId(),newTeacher));
+        Assertions.assertEquals(newTeacher,teacherService.update(teacher.getId(),new TeacherCreateDTO(newTeacher.getFirstName(),newTeacher.getLastName())));
         Mockito.verify(teacherRepository,Mockito.atLeastOnce()).save(newTeacher);
     }
 }
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