fixed logging testing

Signed-off-by: Thomas Jäckle <thomas.jaeckle@beyonnex.io>

internal/utils/pekko/pom.xml

@@ -134,6 +134,16 @@
                 </configuration>
             </plugin>
 
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <systemPropertyVariables>
+                        <slf4j.provider>org.eclipse.ditto.internal.utils.pekko.logging.StaticMDCServiceProvider</slf4j.provider>
+                    </systemPropertyVariables>
+                </configuration>
+            </plugin>
+
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>

internal/utils/pekko/src/test/java/org/eclipse/ditto/internal/utils/pekko/logging/CapturingMdcAdapterObserver.java

@@ -21,10 +21,8 @@
 
 import javax.annotation.concurrent.ThreadSafe;
 
-import org.slf4j.impl.ObservableMdcAdapter;
-
 /**
- * This {@link org.slf4j.impl.ObservableMdcAdapter.MdcAdapterObserver} captures put entries and removed keys for later
+ * This {@link ObservableMdcAdapter.MdcAdapterObserver} captures put entries and removed keys for later
  * test assertions.
  * <p>
  * since 1.3.0

internal/utils/pekko/src/test/java/org/eclipse/ditto/internal/utils/pekko/logging/DefaultAutoCloseableSlf4jLoggerTest.java

@@ -28,8 +28,6 @@
 import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.slf4j.Logger;
-import org.slf4j.impl.ObservableMdcAdapter;
-import org.slf4j.impl.StaticMDCServiceProvider;
 
 /**
  * Unit test for {@link DefaultAutoCloseableSlf4jLogger}.

internal/utils/pekko/src/test/java/org/eclipse/ditto/internal/utils/pekko/logging/DefaultDittoLoggerTest.java

@@ -28,8 +28,6 @@
 import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.slf4j.Logger;
-import org.slf4j.impl.ObservableMdcAdapter;
-import org.slf4j.impl.StaticMDCServiceProvider;
 
 /**
  * Unit test for {@link DefaultDittoLogger}.

internal/utils/pekko/src/test/java/org/eclipse/ditto/internal/utils/pekko/logging/ImmutableDittoLoggerTest.java

@@ -37,8 +37,6 @@
 import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.slf4j.Logger;
-import org.slf4j.impl.ObservableMdcAdapter;
-import org.slf4j.impl.StaticMDCServiceProvider;
 
 /**
  * Unit test for {@link ImmutableDittoLogger}.

internal/utils/pekko/src/test/java/org/slf4j/impl/ObservableMdcAdapter.java → internal/utils/pekko/src/test/java/org/eclipse/ditto/internal/utils/pekko/logging/ObservableMdcAdapter.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+
 /*
  * Copyright (c) 2020 Contributors to the Eclipse Foundation
  *
@@ -10,7 +23,7 @@
  *
  * SPDX-License-Identifier: EPL-2.0
  */
-package org.slf4j.impl;
+package org.eclipse.ditto.internal.utils.pekko.logging;
 
 import java.util.Deque;
 import java.util.HashMap;

internal/utils/pekko/src/test/java/org/slf4j/impl/StaticMDCServiceProvider.java → internal/utils/pekko/src/test/java/org/eclipse/ditto/internal/utils/pekko/logging/StaticMDCServiceProvider.java

@@ -10,7 +10,20 @@
  *
  * SPDX-License-Identifier: EPL-2.0
  */
-package org.slf4j.impl;
+
+/*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.eclipse.ditto.internal.utils.pekko.logging;
 
 import javax.annotation.concurrent.Immutable;