diff --git a/build.gradle.kts b/build.gradle.kts
index 7b6b717..f290ba7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -110,6 +110,7 @@ tasks {
     }
     withType<Test> {
         useJUnitPlatform()
+        maxParallelForks = 1
     }
     named("compileJava").configure {
         dependsOn(swaggerSources.getByName("pmt").code)
diff --git a/gen/config-pmt.json b/gen/config-pmt.json
index c2d6f24..80ab789 100644
--- a/gen/config-pmt.json
+++ b/gen/config-pmt.json
@@ -4,7 +4,7 @@
     "invokerPackage": "de.hmmh.pmt",
     "java8": false,
     "java11": true,
-    "dateLibrary": "java11",
+    "dateLibrary": "java8-localdatetime",
     "library": "spring-boot3",
     "defaultInterfaces": false,
     "serializableModel": true
diff --git a/src/test/java/de/hmmh/pmt/IntegrationTest.java b/src/test/java/de/hmmh/pmt/IntegrationTest.java
index 1bc1a0c..bdcf3fa 100644
--- a/src/test/java/de/hmmh/pmt/IntegrationTest.java
+++ b/src/test/java/de/hmmh/pmt/IntegrationTest.java
@@ -1,12 +1,17 @@
 package de.hmmh.pmt;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import de.hmmh.pmt.db.Project;
 import de.hmmh.pmt.db.ProjectRepository;
+import de.hmmh.pmt.employee.ApiClientFactory;
+import de.hmmh.pmt.employee.api.EmployeeControllerApi;
+import de.hmmh.pmt.employee.api.QualificationControllerApi;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.web.servlet.MockMvc;
 
@@ -23,8 +28,15 @@ public abstract class IntegrationTest {
     @Autowired
     protected MockMvc mvc;
     @Autowired
+    protected ObjectMapper objectMapper;
+    @Autowired
     protected ProjectRepository projectRepository;
 
+    @MockBean
+    protected EmployeeControllerApi mockEmployeeApi;
+    @MockBean
+    protected QualificationControllerApi mockQualificationApi;
+    
     @BeforeEach
     void setUp() {
         projectRepository.deleteAll();