diff --git a/src/test/java/org/opensearch/security/dlic/rest/api/ConfigUpgradeApiActionUnitTest.java b/src/test/java/org/opensearch/security/dlic/rest/api/ConfigUpgradeApiActionUnitTest.java
index 8f9ef2b2c7..f39f9185fa 100644
--- a/src/test/java/org/opensearch/security/dlic/rest/api/ConfigUpgradeApiActionUnitTest.java
+++ b/src/test/java/org/opensearch/security/dlic/rest/api/ConfigUpgradeApiActionUnitTest.java
@@ -19,7 +19,7 @@
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.junit.Before;
 import org.junit.Test;
-import org.mockito.Mock;
+
 import org.opensearch.action.index.IndexResponse;
 import org.opensearch.client.Client;
 import org.opensearch.common.action.ActionFuture;
@@ -33,6 +33,8 @@
 import org.opensearch.security.securityconf.impl.CType;
 import org.opensearch.security.securityconf.impl.SecurityDynamicConfiguration;
 
+import org.mockito.Mock;
+
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.equalTo;