diff --git a/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java b/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java
index 5df680c..ac13f7b 100644
--- a/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java
+++ b/base/src/test/java/de/staropensource/sosengine/base/srctests/TestBase.java
@@ -20,7 +20,9 @@
 package de.staropensource.sosengine.base.srctests;
 
 import de.staropensource.sosengine.base.Engine;
+import de.staropensource.sosengine.base.EngineConfiguration;
 import de.staropensource.sosengine.base.EngineInternals;
+import de.staropensource.sosengine.base.type.InternalAccessArea;
 import de.staropensource.sosengine.unittest.UnitLogger;
 import lombok.Getter;
 import org.junit.jupiter.api.AfterAll;
@@ -94,9 +96,13 @@ public class TestBase {
      */
     @BeforeEach
     void initializeEngine() {
-        if (doInitialization && Engine.getInstance() == null) {
+        if (Engine.getInstance() == null && doInitialization) {
+            logger.diag("Initializing engine");
+            System.getProperties().setProperty("sosengine.base.loggerLevel", "crash");
             new Engine();
+            EngineConfiguration.getInstance().loadDefaultConfiguration();
             EngineInternals.getInstance().setShutdownHandler(exitCode -> {});
+            EngineInternals.getInstance().restrictAccess(InternalAccessArea.SHUTDOWN_HANDLER_UPDATE);
         }
     }
 
@@ -105,7 +111,10 @@ public class TestBase {
      */
     @AfterAll
     static void shutdownEngine() {
-        if (Engine.getInstance() != null)
+        if (Engine.getInstance() != null) {
+            System.getProperties().setProperty("sosengine.base.loggerLevel", "crash");
+            EngineConfiguration.getInstance().loadConfiguration();
             Engine.getInstance().shutdown();
+        }
     }
 }