diff --git a/src/main/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStep.java b/src/main/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStep.java
index 3d62e08f7..ebef2cae8 100644
--- a/src/main/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStep.java
+++ b/src/main/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStep.java
@@ -51,7 +51,7 @@ public CompletableFuture<WorkflowData> execute(List<WorkflowData> data) {
 
             @Override
             public void onResponse(CreateIndexResponse createIndexResponse) {
-                logger.info("created index:{}", createIndexResponse.index());
+                logger.info("created index: {}", createIndexResponse.index());
                 future.complete(new WorkflowData() {
                     @Override
                     public Map<String, Object> getContent() {
@@ -108,7 +108,7 @@ public String getName() {
      * @return index mapping
      * @throws IOException IOException if mapping file can't be read correctly
      */
-    public static String getIndexMappings(String mapping) throws IOException {
+    private static String getIndexMappings(String mapping) throws IOException {
         URL url = CreateIndexStep.class.getClassLoader().getResource(mapping);
         return Resources.toString(url, Charsets.UTF_8);
     }
diff --git a/src/test/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStepTests.java b/src/test/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStepTests.java
index e316ea7cb..638dea251 100644
--- a/src/test/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStepTests.java
+++ b/src/test/java/org/opensearch/flowframework/workflow/CreateIndex/CreateIndexStepTests.java
@@ -49,14 +49,7 @@ public void setUp() throws Exception {
 
             @Override
             public Map<String, Object> getContent() {
-                // See CreateIndexRequest ParseFields for source of content keys needed
-                return Map.of("index-name", "demo", "type", "knn");
-            }
-
-            @Override
-            public Map<String, String> getParams() {
-                // See RestCreateIndexAction for source of param keys needed
-                return Map.of();
+                return Map.ofEntries(Map.entry("index-name", "demo"), Map.entry("type", "knn"));
             }
 
         };
@@ -80,7 +73,7 @@ public void testCreateIndexStep() throws ExecutionException, InterruptedExceptio
         verify(indicesAdminClient, times(1)).create(any(CreateIndexRequest.class), actionListenerCaptor.capture());
         actionListenerCaptor.getValue().onResponse(new CreateIndexResponse(true, true, "demo"));
 
-        assertTrue(future.isDone());
+        assertTrue(future.isDone() && !future.isCompletedExceptionally());
 
         Map<String, Object> outputData = Map.of("index-name", "demo");
         assertEquals(outputData, future.get().getContent());
@@ -96,10 +89,11 @@ public void testCreateIndexStepFailure() throws ExecutionException, InterruptedE
         assertFalse(future.isDone());
         verify(indicesAdminClient, times(1)).create(any(CreateIndexRequest.class), actionListenerCaptor.capture());
 
-        actionListenerCaptor.getValue().onFailure(new Exception());
-
-        assertTrue(future.isDone());
-        assertThrows(Exception.class, () -> future.get().getContent());
+        actionListenerCaptor.getValue().onFailure(new Exception("Failed to create an index"));
 
+        assertTrue(future.isCompletedExceptionally());
+        ExecutionException ex = assertThrows(ExecutionException.class, () -> future.get().getContent());
+        assertTrue(ex.getCause() instanceof Exception);
+        assertEquals("Failed to create an index", ex.getCause().getMessage());
     }
 }
diff --git a/src/test/resources/template/datademo.json b/src/test/resources/template/datademo.json
index 79f79594a..5d30784cb 100644
--- a/src/test/resources/template/datademo.json
+++ b/src/test/resources/template/datademo.json
@@ -2,14 +2,10 @@
     "sequence": {
         "nodes": [
             {
-                "id": "create_index",
-                "index_name": "demo",
-                "type": "knn"
+                "id": "create_index"
             },
             {
-                "id": "create_another_index",
-                "index_name": "second_demo",
-                "type": "knn"
+                "id": "create_another_index"
             }
         ],
         "edges": [