diff --git a/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/IntegrationTestBase.java b/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/IntegrationTestBase.java
index 44831b3..7c829e4 100644
--- a/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/IntegrationTestBase.java
+++ b/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/IntegrationTestBase.java
@@ -15,7 +15,6 @@
 import java.util.Collections;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
-import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
 import okhttp3.OkHttpClient;
@@ -203,7 +202,7 @@ protected Collection<ExportTraceServiceRequest> waitForTraces()
               }
               return builder.build();
             })
-        .collect(Collectors.toList());
+        .toList();
   }
 
   /**
@@ -225,7 +224,7 @@ protected Collection<ExportMetricsServiceRequest> waitForMetrics()
               }
               return builder.build();
             })
-        .collect(Collectors.toList());
+        .toList();
   }
 
   /**
diff --git a/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/spring/trace/TracingIntTest.java b/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/spring/trace/TracingIntTest.java
index 68c9606..ac6cbe3 100644
--- a/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/spring/trace/TracingIntTest.java
+++ b/inspectit-gepard-agent/src/test/java/rocks/inspectit/gepard/agent/integrationtest/spring/trace/TracingIntTest.java
@@ -17,9 +17,9 @@
 /** Should check, if traces are received in our tracing backend according to our configuration. */
 class TracingIntTest extends SpringTestBase {
 
-  private static final String parentSpanName = "WebController.greeting";
+  private static final String PARENT_SPAN_NAME = "WebController.greeting";
 
-  private static final String childSpanName = "WebController.withSpan";
+  private static final String CHILD_SPAN_NAME = "WebController.withSpan";
 
   @Test
   void shouldSendSpansToBackendWhenScopesAreActive() throws Exception {
@@ -30,7 +30,7 @@ void shouldSendSpansToBackendWhenScopesAreActive() throws Exception {
     sendRequestToTarget("/greeting");
     Collection<ExportTraceServiceRequest> traces = waitForTraces();
 
-    assertSpans(traces, parentSpanName, childSpanName);
+    assertSpans(traces, PARENT_SPAN_NAME, CHILD_SPAN_NAME);
   }
 
   @Test
@@ -42,7 +42,7 @@ void shouldNotSendSpansToBackendWhenScopesAreInactive() throws Exception {
     sendRequestToTarget("/greeting");
     Collection<ExportTraceServiceRequest> traces = waitForTraces();
 
-    assertNoSpans(traces, parentSpanName, childSpanName);
+    assertNoSpans(traces, PARENT_SPAN_NAME, CHILD_SPAN_NAME);
   }
 
   /**