Fix the failing test

Signed-off-by: Srikanth Padakanti <[email protected]>

Author: Srikanth Padakanti

integ-test/src/test/resources/expectedOutput/calcite/explain_mvexpand.yaml

@@ -11,8 +11,7 @@ calcite:
     EnumerableLimit(fetch=[10000])
       EnumerableCalc(expr#0..5=[{inputs}], skills.level=[$t1], skills.name=[$t2], username=[$t3], KEY=[$t4], VALUE=[$t5])
         EnumerableCorrelate(correlation=[$cor0], joinType=[inner], requiredColumns=[{0}])
-          EnumerableCalc(expr#0..9=[{inputs}], proj#0..3=[{exprs}])
-            CalciteEnumerableIndexScan(table=[[OpenSearch, mvexpand_edge_cases]], PushDownContext=[[PROJECT->[skills, skills.level, skills.name, username]], OpenSearchRequestBuilder(sourceBuilder={"from":0,"timeout":"1m","_source":{"includes":["skills","skills.level","skills.name","username"],"excludes":[]}}, requestedTotalSize=2147483647, pageSize=null, startFrom=0)])
+          CalciteEnumerableIndexScan(table=[[OpenSearch, mvexpand_edge_cases]], PushDownContext=[[PROJECT->[skills, skills.level, skills.name, username]], OpenSearchRequestBuilder(sourceBuilder={"from":0,"timeout":"1m","_source":{"includes":["skills","skills.level","skills.name","username"],"excludes":[]}}, requestedTotalSize=2147483647, pageSize=null, startFrom=0)])
           EnumerableUncollect
             EnumerableCalc(expr#0=[{inputs}], expr#1=[$cor0], expr#2=[$t1.skills], skills=[$t2])
               EnumerableValues(tuples=[[{ 0 }]])