diff --git a/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeE2eTestExtension.java b/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeE2eTestExtension.java
index bed0f0126..3d0eedb1f 100644
--- a/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeE2eTestExtension.java
+++ b/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeE2eTestExtension.java
@@ -73,7 +73,8 @@ public class CeE2eTestExtension
 
     @Override
     public void beforeAll(ExtensionContext context) throws Exception {
-        instances.putAll(instancesForEachConnector);
+        instances.put(instancesForEachConnector);
+        instances.addParameterResolver(instancesForEachConnector);
 
         for (CeE2eTestSide side : CeE2eTestSide.values()) {
             var extension = CeIntegrationTestExtension.builder()
@@ -91,7 +92,8 @@ public void beforeAll(ExtensionContext context) throws Exception {
                 .build();
 
             // Register DbRuntimePerClassExtension
-            instancesForEachConnector.forSide(side).putAll(extension);
+            instancesForEachConnector.forSide(side).put(extension);
+            instancesForEachConnector.forSide(side).addParameterResolver(extension);
 
             // Start EDC
             extension.beforeAll(context);
diff --git a/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeIntegrationTestExtension.java b/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeIntegrationTestExtension.java
index 5d21ed40e..4572557be 100644
--- a/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeIntegrationTestExtension.java
+++ b/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/CeIntegrationTestExtension.java
@@ -24,15 +24,12 @@
 import de.sovity.edc.extension.e2e.junit.edc.RuntimePerClassExtensionFixed;
 import de.sovity.edc.extension.e2e.junit.utils.InstancesForJunitTest;
 import de.sovity.edc.utils.config.ConfigProps;
-import de.sovity.edc.utils.config.utils.ReflectionUtils;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import lombok.Singular;
 import lombok.experimental.Delegate;
-import org.eclipse.edc.spi.monitor.ConsoleMonitor;
-import org.eclipse.edc.spi.system.ServiceExtensionContext;
 import org.jetbrains.annotations.Nullable;
 import org.junit.jupiter.api.extension.AfterAllCallback;
 import org.junit.jupiter.api.extension.BeforeAllCallback;
@@ -75,7 +72,8 @@ public void beforeAll(ExtensionContext extensionContext) throws Exception {
         // Start DB
         if (!skipDb) {
             var dbExtension = TestDatabaseExtension.builder().build();
-            instances.putAll(dbExtension);
+            instances.put(dbExtension);
+            instances.addParameterResolver(dbExtension);
             dbExtension.beforeAll(extensionContext);
         }
 
@@ -93,7 +91,8 @@ public void beforeAll(ExtensionContext extensionContext) throws Exception {
         beforeEdcStartup.accept(connectorExtension);
         connectorExtension.beforeAll(extensionContext);
 
-        instances.putAll(connectorExtension);
+        instances.put(connectorExtension);
+        instances.addParameterResolver(connectorExtension);
 
         // Configure Clients and Utilities
         var config = runtime.getContext().getConfig();
diff --git a/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/utils/InstancesForJunitTest.java b/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/utils/InstancesForJunitTest.java
index 37ecfa547..e6ca5fe3f 100644
--- a/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/utils/InstancesForJunitTest.java
+++ b/utils/test-utils/src/main/java/de/sovity/edc/extension/e2e/junit/utils/InstancesForJunitTest.java
@@ -37,8 +37,7 @@ public class InstancesForJunitTest implements ParameterResolver {
     private final Map<Class<?>, LazyOrValue> instances = new HashMap<>();
     private final List<ParameterResolver> childResolvers = new ArrayList<>();
 
-    public void putAll(ParameterResolver resolver) {
-        put(resolver);
+    public void addParameterResolver(ParameterResolver resolver) {
         childResolvers.add(resolver);
     }