diff --git a/generators/java/templates/src/test/java/_package_/_entityPackage_/domain/_persistClass_Test.java.ejs b/generators/java/templates/src/test/java/_package_/_entityPackage_/domain/_persistClass_Test.java.ejs
index 938b14384038..b06c5946058d 100644
--- a/generators/java/templates/src/test/java/_package_/_entityPackage_/domain/_persistClass_Test.java.ejs
+++ b/generators/java/templates/src/test/java/_package_/_entityPackage_/domain/_persistClass_Test.java.ejs
@@ -26,6 +26,7 @@ import static <%= otherEntity.entityAbsolutePackage %>.domain.<%= otherEntity.pe
 import <%= otherEntity.entityAbsolutePackage %>.domain.<%= otherEntity.persistClass %>;
 <%_ } _%>
 <%_ if (relationships.some(relationship => relationship.collection)) { _%>
+import java.util.HashSet;
 import java.util.Set;
 <%_ } _%>
 import org.junit.jupiter.api.Test;
@@ -92,7 +93,7 @@ class <%= persistClass %>Test {
   <%_ } _%>
   <%_ if (relationship.collection) { _%>
 
-        <%= persistInstance %>.set<%- relationship.propertyNameCapitalized %>(Set.of(<%= relationship.otherEntity.persistInstance %>Back));
+        <%= persistInstance %>.set<%- relationship.propertyNameCapitalized %>(new HashSet<>(Set.of(<%= relationship.otherEntity.persistInstance %>Back)));
         assertThat(<%= persistInstance %>.get<%- relationship.propertyNameCapitalized %>()).containsOnly(<%= relationship.otherEntity.persistInstance %>Back);
     <%_ if (relationship.otherRelationship && !relationship.ownerSide && !relationship.otherEntity.embedded) { _%>
       <%_ if (relationship.otherRelationship.collection) { _%>
@@ -102,7 +103,7 @@ class <%= persistClass %>Test {
       <%_ } _%>
     <%_ } _%>
 
-        <%= persistInstance %>.set<%- relationship.propertyNameCapitalized %>(Set.of());
+        <%= persistInstance %>.set<%- relationship.propertyNameCapitalized %>(new HashSet<>());
         assertThat(<%= persistInstance %>.get<%- relationship.propertyNameCapitalized %>()).doesNotContain(<%= relationship.otherEntity.persistInstance %>Back);
     <%_ if (relationship.otherRelationship && !relationship.ownerSide && !relationship.otherEntity.embedded) { _%>
       <%_ if (relationship.otherRelationship.collection) { _%>