diff --git a/webprotege-server-api/src/test/java/edu/stanford/bmir/protege/web/server/entity/SubjectClosureResolver_TestCase.java b/webprotege-server-api/src/test/java/edu/stanford/bmir/protege/web/server/entity/SubjectClosureResolver_TestCase.java
index 970205c65e..9a009a7dea 100644
--- a/webprotege-server-api/src/test/java/edu/stanford/bmir/protege/web/server/entity/SubjectClosureResolver_TestCase.java
+++ b/webprotege-server-api/src/test/java/edu/stanford/bmir/protege/web/server/entity/SubjectClosureResolver_TestCase.java
@@ -20,6 +20,7 @@
 import static java.util.stream.Collectors.toSet;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.hasItems;
 import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
@@ -69,7 +70,7 @@ public void shouldGetClsAsRootEntity() {
         when(axiom.getSubject()).thenReturn(clsIri);
         var rootEntities = resolver.resolve(valueEntity)
                 .collect(toSet());
-        assertThat(rootEntities, contains(cls, valueEntity));
+        assertThat(rootEntities, hasItems(cls, valueEntity));
     }
 
     @Test