diff --git a/src/test/kotlin/org/opensearch/indexmanagement/rollup/RollupRestTestCase.kt b/src/test/kotlin/org/opensearch/indexmanagement/rollup/RollupRestTestCase.kt
index 25d2c47ee..47a7c67fe 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/rollup/RollupRestTestCase.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/rollup/RollupRestTestCase.kt
@@ -276,7 +276,7 @@ abstract class RollupRestTestCase : IndexManagementRestTestCase() {
         val res =
             client().makeRequest(
                 "PUT", "_cluster/settings", emptyMap(),
-                StringEntity(request, ContentType.APPLICATION_JSON),
+                StringEntity(request, APPLICATION_JSON),
             )
         assertEquals("Request failed", RestStatus.OK, res.restStatus())
     }
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/rollup/interceptor/RollupInterceptorIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/rollup/interceptor/RollupInterceptorIT.kt
index ffaca1ff8..7d74bbf42 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/rollup/interceptor/RollupInterceptorIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/rollup/interceptor/RollupInterceptorIT.kt
@@ -1043,7 +1043,7 @@ class RollupInterceptorIT : RollupRestTestCase() {
                     "max_passenger_count": { "max": { "field": "passenger_count" } }
                 }
             }
-            """.trimIndent()
+        """.trimIndent()
 //        Search 1 non-rollup index and 1 rollup
         updateSearchRawRollupClusterSetting(false)
         val searchResult1 = client().makeRequest("POST", "/$sourceIndex2,$targetIndex2/_search", emptyMap(), StringEntity(req, ContentType.APPLICATION_JSON))