diff --git a/src/main/java/mops/gruppen2/service/EventService.java b/src/main/java/mops/gruppen2/service/EventService.java
index 26e7a8b..7de4628 100644
--- a/src/main/java/mops/gruppen2/service/EventService.java
+++ b/src/main/java/mops/gruppen2/service/EventService.java
@@ -42,7 +42,7 @@ public class EventService {
     public EventDTO getDTO(Event event) {
         boolean visibility = false;
         if (event instanceof CreateGroupEvent) {
-            visibility = ((CreateGroupEvent) event).getGroupVisibility() == Visibility.PRIVATE;
+            visibility = ((CreateGroupEvent) event).getGroupVisibility() == Visibility.PUBLIC;
         }
 
         String payload = "";
diff --git a/src/test/java/mops/gruppen2/architecture/DomainTest.java b/src/test/java/mops/gruppen2/architecture/DomainTest.java
index 7340f80..2d38bf5 100644
--- a/src/test/java/mops/gruppen2/architecture/DomainTest.java
+++ b/src/test/java/mops/gruppen2/architecture/DomainTest.java
@@ -2,7 +2,6 @@ package mops.gruppen2.architecture;
 
 import com.tngtech.archunit.core.importer.ImportOption;
 import com.tngtech.archunit.junit.AnalyzeClasses;
-import com.tngtech.archunit.junit.ArchIgnore;
 import com.tngtech.archunit.junit.ArchTest;
 import com.tngtech.archunit.lang.ArchRule;
 
@@ -30,11 +29,11 @@ public class DomainTest {
     @ArchTest
     public static final ArchRule exceptionClassesShouldBeInExceptionPackage = classes()
             .that().haveSimpleNameEndingWith("Exception")
-            .should().resideInAPackage("..domain.Exceptions..");
+            .should().resideInAPackage("..domain.exception..");
 
     @ArchTest
     public static final ArchRule classesInExceptionPackageShouldHaveExceptionInName = classes()
-            .that().resideInAPackage("..domain.Exceptions..")
+            .that().resideInAPackage("..domain.exception..")
             .should().haveSimpleNameEndingWith("Exception");
 
     @ArchTest
diff --git a/src/test/java/mops/gruppen2/service/EventServiceTest.java b/src/test/java/mops/gruppen2/service/EventServiceTest.java
index c0cedb0..658285d 100644
--- a/src/test/java/mops/gruppen2/service/EventServiceTest.java
+++ b/src/test/java/mops/gruppen2/service/EventServiceTest.java
@@ -20,8 +20,9 @@ import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
 class EventServiceTest {
-    EventService eventService;
-    EventRepository eventRepositoryMock = mock(EventRepository.class);
+
+    private EventService eventService;
+    private EventRepository eventRepositoryMock = mock(EventRepository.class);
 
     @BeforeEach
     void setUp() {
diff --git a/src/test/java/mops/gruppen2/service/SerializationServiceTest.java b/src/test/java/mops/gruppen2/service/SerializationServiceTest.java
deleted file mode 100644
index d0070e1..0000000
--- a/src/test/java/mops/gruppen2/service/SerializationServiceTest.java
+++ /dev/null
@@ -1,30 +0,0 @@
-package mops.gruppen2.service;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import mops.gruppen2.domain.Role;
-import mops.gruppen2.domain.event.*;
-import mops.gruppen2.repository.EventRepository;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
-import org.junit.jupiter.api.Test;
-
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
-
-class SerializationServiceTest {
-
-    SerializationService serializationService;
-
-    @BeforeEach
-    public void setUp() {
-        serializationService = new SerializationService(mock(EventRepository.class));
-    }
-
-
-    @Test
-    void serializeEventTest() throws JsonProcessingException {
-        Event event =  new Event(1L,"1");
-
-        assertThat(serializationService.serializeEvent(event)).isEqualTo("{\"type\":\"Event\",\"group_id\":1,\"user_id\":\"1\"}");
-    }
-}