diff --git a/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java b/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java
index 1117c1f..3812186 100644
--- a/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java
+++ b/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java
@@ -39,7 +39,6 @@ public class LokiAssert {
     }
 
     public LokiAssert withFormParam(String param) {
-        System.out.println("param = " + param);
         this.param = param;
         return this;
     }
diff --git a/logback-appender/src/test/java/pl/tkowalcz/tjahzi/logback/LokiAppenderLargeBatchesTest.java b/logback-appender/src/test/java/pl/tkowalcz/tjahzi/logback/LokiAppenderLargeBatchesTest.java
index e16eb22..f85e1a9 100644
--- a/logback-appender/src/test/java/pl/tkowalcz/tjahzi/logback/LokiAppenderLargeBatchesTest.java
+++ b/logback-appender/src/test/java/pl/tkowalcz/tjahzi/logback/LokiAppenderLargeBatchesTest.java
@@ -32,7 +32,7 @@ class LokiAppenderLargeBatchesTest extends IntegrationTest {
                 "Tootsie roll carrot cake pastry jujubes jelly beans chupa chups. " +
                 "Souffle cake muffin liquorice tart souffle pie sesame snaps.";
 
-        long expectedTimestamp = System.currentTimeMillis();
+        long expectedTimestamp = TimeUnit.MILLISECONDS.toNanos(System.currentTimeMillis());
 
         // When
         for (int i = 0; i < 1000; i++) {