diff --git a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/UpdateMatcherTest.java b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/UpdateMatcherTest.java
index 45bfc785f..52e9917bb 100644
--- a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/UpdateMatcherTest.java
+++ b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/UpdateMatcherTest.java
@@ -19,7 +19,7 @@ import eu.dnetlib.dhp.broker.oa.matchers.simple.EnrichMissingPublicationDate;
 import eu.dnetlib.dhp.broker.oa.util.UpdateInfo;
 
 @ExtendWith(MockitoExtension.class)
-class UpdateMatcherTest {
+public class UpdateMatcherTest {
 
 	UpdateMatcher<String> matcher = new EnrichMissingPublicationDate();
 
diff --git a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingPublicationDateTest.java b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingPublicationDateTest.java
index 550ded9f4..5af81a31a 100644
--- a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingPublicationDateTest.java
+++ b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingPublicationDateTest.java
@@ -11,7 +11,7 @@ import org.junit.jupiter.api.Test;
 
 import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 
-class EnrichMissingPublicationDateTest {
+public class EnrichMissingPublicationDateTest {
 
 	final EnrichMissingPublicationDate matcher = new EnrichMissingPublicationDate();
 
diff --git a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/SubscriptionUtilsTest.java b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/SubscriptionUtilsTest.java
index b532aa9f7..d93390e4a 100644
--- a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/SubscriptionUtilsTest.java
+++ b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/SubscriptionUtilsTest.java
@@ -8,7 +8,7 @@ import java.util.Arrays;
 
 import org.junit.jupiter.api.Test;
 
-class SubscriptionUtilsTest {
+public class SubscriptionUtilsTest {
 
 	@Test
 	void testVerifyListSimilar() {
diff --git a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/TrustUtilsTest.java b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/TrustUtilsTest.java
index a8bc03e31..117bdeef4 100644
--- a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/TrustUtilsTest.java
+++ b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/util/TrustUtilsTest.java
@@ -9,7 +9,7 @@ import eu.dnetlib.broker.objects.OaBrokerAuthor;
 import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.broker.objects.OaBrokerTypedValue;
 
-class TrustUtilsTest {
+public class TrustUtilsTest {
 
 	private static final double THRESHOLD = 0.95;
 
diff --git a/dhp-workflows/dhp-graph-mapper/src/test/scala/eu/dnetlib/dhp/oa/graph/hostedbymap/DownloadCsvTest.java b/dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/hostedbymap/DownloadCsvTest.java
similarity index 100%
rename from dhp-workflows/dhp-graph-mapper/src/test/scala/eu/dnetlib/dhp/oa/graph/hostedbymap/DownloadCsvTest.java
rename to dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/hostedbymap/DownloadCsvTest.java