fix ut

Signed-off-by: Lantao Jin <ltjin@amazon.com>

Author: LantaoJin

opensearch/src/main/java/org/opensearch/sql/opensearch/storage/scan/AbstractCalciteIndexScan.java

@@ -99,19 +99,7 @@ public RelDataType deriveRowType() {
   @Override
   public RelWriter explainTerms(RelWriter pw) {
     OpenSearchRequestBuilder requestBuilder = osIndex.createRequestBuilder();
-    pushDownContext.forEach(
-        action -> {
-          try {
-            // https://github.com/opensearch-project/sql/issues/4376
-            // catch the exception when explainTerms for push down action
-            // to avoid the whole query to fail due to one push down action
-            action.apply(requestBuilder);
-          } catch (Exception e) {
-            if (LOG.isDebugEnabled()) {
-              LOG.debug("Cannot explainTerms for {}", action.digest, e);
-            }
-          }
-        });
+    pushDownContext.forEach(action -> action.apply(requestBuilder));
     String explainString = pushDownContext + ", " + requestBuilder;
     return super.explainTerms(pw)
         .itemIf("PushDownContext", explainString, !pushDownContext.isEmpty());
@@ -374,7 +362,16 @@ public String toString() {
     }
 
     public void apply(OpenSearchRequestBuilder requestBuilder) {
-      action.apply(requestBuilder);
+      try {
+        action.apply(requestBuilder);
+      } catch (Exception e) {
+        // https://github.com/opensearch-project/sql/issues/4376
+        // catch the exception when explainTerms for push down action
+        // to avoid the whole query to fail due to one push down action
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("Cannot apply action {}", this.digest, e);
+        }
+      }
     }
   }