diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2513a80be2..bfd2eddf99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Added capability of SystemParticipants to handle flexibility [#308](https://github.com/ie3-institute/simona/issues/308)
   - Added smart charging logic [#31](https://github.com/ie3-institute/simona/issues/31) and flex calculation in `EvcsAgent` [#332](https://github.com/ie3-institute/simona/issues/332)
 - Enhance output quotes of `RunSimona` [#743](https://github.com/ie3-institute/simona/issues/743)
+- Printing logs of failed tests [#747](https://github.com/ie3-institute/simona/issues/747)
 
 ### Changed
 - Adapted to changed data source in PSDM [#435](https://github.com/ie3-institute/simona/issues/435)
diff --git a/src/test/resources/logback-test.xml b/src/test/resources/logback-test.xml
index b2c5260199..79b160e703 100644
--- a/src/test/resources/logback-test.xml
+++ b/src/test/resources/logback-test.xml
@@ -1,27 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (c) 2019. TU Dortmund University,
+  ~ Copyright (c) 2024. TU Dortmund University,
   ~ Institute of Energy Systems, Energy Efficiency and Energy Economics,
   ~ Research group Distribution grid planning and operation
   -->
 <configuration>
-    <timestamp key="bySecond" datePattern="yyyyMMdd'T'HHmmss"/>
+
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <!-- encoders are assigned the type
              ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
         <encoder>
             <pattern>%highlight%d{HH:mm:ss.SSS} %-5level %logger{36} - %msg%n</pattern>
         </encoder>
-        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
-            <level>OFF</level>
-        </filter>
     </appender>
+
     <appender name="RF" class="ch.qos.logback.core.rolling.RollingFileAppender">
         <file>test/logs/simona/simona_tests.log</file>
         <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
             <!-- daily rollover -->
-            <fileNamePattern>test/logs/simona/archive/simona_tests-%d{yyyyMMdd'T'HHmmss}-${bySecond}.log</fileNamePattern>
-            <!-- keep 30 days' worth of history capped at 3GB total size -->
+            <fileNamePattern>test/logs/simona/archive/simona_tests-%d{yyyyMMdd'T'HHmmss}.log</fileNamePattern>
+            <!-- keep 10 days worth of history capped at 3GB total size -->
             <maxHistory>10</maxHistory>
             <totalSizeCap>3GB</totalSizeCap>
         </rollingPolicy>
@@ -32,8 +30,30 @@
             <level>DEBUG</level>
         </filter>
     </appender>
-    <root level="debug">
+
+    <!--
+        Logging from tests are silenced by this appender. When there is a test failure
+        the captured logging events are flushed to the appenders defined for the
+        org.apache.pekko.actor.testkit.typed.internal.CapturingAppenderDelegate logger.
+    -->
+    <appender name="CapturingAppender" class="org.apache.pekko.actor.testkit.typed.internal.CapturingAppender" />
+
+    <!--
+        The appenders defined for this CapturingAppenderDelegate logger are used
+        when there is a test failure and all logging events from the test are
+        flushed to these appenders. The test spec must extend
+        org.apache.pekko.actor.testkit.typed.scaladsl.LogCapturing.
+    -->
+    <logger name="org.apache.pekko.actor.testkit.typed.internal.CapturingAppenderDelegate" >
         <appender-ref ref="STDOUT"/>
+    </logger>
+
+    <root level="debug">
+        <!--
+            No direct reference to STDOUT here, since we only want logs in console on failure
+        -->
+        <appender-ref ref="CapturingAppender"/>
         <appender-ref ref="RF"/>
     </root>
+
 </configuration>
\ No newline at end of file
diff --git a/src/test/scala/edu/ie3/simona/agent/ValueStoreSpec.scala b/src/test/scala/edu/ie3/simona/agent/ValueStoreSpec.scala
index ede6b3043b..58f545e21d 100644
--- a/src/test/scala/edu/ie3/simona/agent/ValueStoreSpec.scala
+++ b/src/test/scala/edu/ie3/simona/agent/ValueStoreSpec.scala
@@ -7,11 +7,10 @@
 package edu.ie3.simona.agent
 
 import edu.ie3.simona.test.common.UnitSpec
-import org.scalatest.PrivateMethodTester
 
 import scala.collection.SortedMap
 
-class ValueStoreSpec extends UnitSpec with PrivateMethodTester {
+class ValueStoreSpec extends UnitSpec {
   "An empty value store" should {
     val emptyValueStore: ValueStore[String] = ValueStore[String](Long.MaxValue)
 
diff --git a/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerKafkaSpec.scala b/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerKafkaSpec.scala
index 03d3545389..b2f8393ace 100644
--- a/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerKafkaSpec.scala
+++ b/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerKafkaSpec.scala
@@ -31,8 +31,8 @@ import scala.language.postfixOps
 
 class RuntimeEventListenerKafkaSpec
     extends ScalaTestWithActorTestKit
-    with KafkaSpecLike
     with UnitSpec
+    with KafkaSpecLike
     with GivenWhenThen
     with TableDrivenPropertyChecks {
   private var testConsumer: KafkaConsumer[Bytes, SimonaEndMessage] = _
diff --git a/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerSpec.scala b/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerSpec.scala
index f547693e08..92186149bc 100644
--- a/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerSpec.scala
+++ b/src/test/scala/edu/ie3/simona/event/listener/RuntimeEventListenerSpec.scala
@@ -24,11 +24,9 @@ import edu.ie3.simona.event.RuntimeEvent.{
   Ready,
   Simulating,
 }
+import edu.ie3.simona.test.common.UnitSpec
 import edu.ie3.simona.util.TickUtil._
 import edu.ie3.util.TimeUtil
-import org.scalatest.PrivateMethodTester
-import org.scalatest.matchers.should
-import org.scalatest.wordspec.AnyWordSpecLike
 import org.slf4j.event.Level
 
 import java.util.concurrent.{LinkedBlockingQueue, TimeUnit}
@@ -42,9 +40,7 @@ class RuntimeEventListenerSpec
         ConfigValueFactory.fromAnyRef("30s"),
       )
     )
-    with AnyWordSpecLike
-    with should.Matchers
-    with PrivateMethodTester {
+    with UnitSpec {
 
   // global variables
   val startDateTimeString = "2011-01-01 00:00:00"
diff --git a/src/test/scala/edu/ie3/simona/test/common/UnitSpec.scala b/src/test/scala/edu/ie3/simona/test/common/UnitSpec.scala
index a61f4b7879..5cbf725051 100644
--- a/src/test/scala/edu/ie3/simona/test/common/UnitSpec.scala
+++ b/src/test/scala/edu/ie3/simona/test/common/UnitSpec.scala
@@ -6,15 +6,17 @@
 
 package edu.ie3.simona.test.common
 
-import java.util.Locale
 import com.typesafe.scalalogging.LazyLogging
 import edu.ie3.simona.test.matchers.{QuantityMatchers, SquantsMatchers}
 import edu.ie3.util.scala.quantities.{QuantityUtil => PSQuantityUtil}
+import org.apache.pekko.actor.testkit.typed.scaladsl.LogCapturing
 import org.scalatest._
 import org.scalatest.matchers.should
 import org.scalatest.prop.TableDrivenPropertyChecks
 import org.scalatest.wordspec.AnyWordSpecLike
 
+import java.util.Locale
+
 /** Base class to be used with all scala unit tests. All data that should be
   * commonly available to all unit tests should be placed here instead of mixing
   * a lot of traits together. See
@@ -28,6 +30,7 @@ trait UnitSpec
     with QuantityMatchers
     with SquantsMatchers
     with AnyWordSpecLike
+    with LogCapturing
     with OptionValues
     with Inside
     with Inspectors