diff --git a/jkube-kit/enricher/generic/src/test/java/org/eclipse/jkube/enricher/generic/IngressEnricherBehavioralTest.java b/jkube-kit/enricher/generic/src/test/java/org/eclipse/jkube/enricher/generic/IngressEnricherBehavioralTest.java
index 7d84b28f87..8a1d1c0904 100644
--- a/jkube-kit/enricher/generic/src/test/java/org/eclipse/jkube/enricher/generic/IngressEnricherBehavioralTest.java
+++ b/jkube-kit/enricher/generic/src/test/java/org/eclipse/jkube/enricher/generic/IngressEnricherBehavioralTest.java
@@ -13,10 +13,13 @@
  */
 package org.eclipse.jkube.enricher.generic;
 
+import io.fabric8.kubernetes.api.model.HasMetadata;
 import io.fabric8.kubernetes.api.model.KubernetesList;
 import io.fabric8.kubernetes.api.model.KubernetesListBuilder;
 import io.fabric8.kubernetes.api.model.Service;
 import io.fabric8.kubernetes.api.model.networking.v1.IngressBuilder;
+
+import org.assertj.core.api.InstanceOfAssertFactories;
 import org.eclipse.jkube.kit.common.JavaProject;
 import org.eclipse.jkube.kit.common.KitLogger;
 import org.eclipse.jkube.kit.config.resource.PlatformMode;
@@ -53,7 +56,7 @@ void create_withNoServices_shouldNotCreateIngress() {
     // When
     new IngressEnricher(context).create(PlatformMode.kubernetes, klb);
     // Then
-    assertThat(klb.build()).extracting(KubernetesList::getItems).asList().isEmpty();
+    assertThat(klb.build()).extracting(KubernetesList::getItems).asInstanceOf(InstanceOfAssertFactories.list(HasMetadata.class)).isEmpty();
   }
 
   @Test
@@ -64,7 +67,7 @@ void create_withServicesAndNoExternalUrls_shouldNotCreateIngress() {
     // When
     new IngressEnricher(context).create(PlatformMode.kubernetes, klb);
     // Then
-    assertThat(klb.build()).extracting(KubernetesList::getItems).asList().singleElement()
+    assertThat(klb.build()).extracting(KubernetesList::getItems).asInstanceOf(InstanceOfAssertFactories.list(HasMetadata.class)).singleElement()
       .isInstanceOf(Service.class);
   }
 
@@ -112,7 +115,7 @@ void create_withServiceNotExposed_shouldNotCreateIngress() {
     // When
     new IngressEnricher(context).create(PlatformMode.kubernetes, klb);
     // Then
-    assertThat(klb.build()).extracting(KubernetesList::getItems).asList().singleElement()
+    assertThat(klb.build()).extracting(KubernetesList::getItems).asInstanceOf(InstanceOfAssertFactories.list(HasMetadata.class)).singleElement()
       .isInstanceOf(Service.class);
   }
 
@@ -131,7 +134,7 @@ void create_withServices_shouldCreateNetworkingIngress() {
       .hasFieldOrPropertyWithValue("metadata.name", "http")
       .hasFieldOrPropertyWithValue("spec.defaultBackend.service.name", "http")
       .hasFieldOrPropertyWithValue("spec.defaultBackend.service.port.number", 80)
-      .extracting("spec.rules").asList().isEmpty();
+      .extracting("spec.rules").asInstanceOf(InstanceOfAssertFactories.list(HasMetadata.class)).isEmpty();
   }
 
   @Test
@@ -150,6 +153,6 @@ void create_withServicesAndTargetExtensions_shouldCreateExtensionsIngress() {
       .hasFieldOrPropertyWithValue("metadata.name", "http")
       .hasFieldOrPropertyWithValue("spec.backend.serviceName", "http")
       .hasFieldOrPropertyWithValue("spec.backend.servicePort.value", 80)
-      .extracting("spec.rules").asList().isEmpty();
+      .extracting("spec.rules").asInstanceOf(InstanceOfAssertFactories.list(HasMetadata.class)).isEmpty();
   }
 }