assume nopushdown aggregate behavior for case ITs

Signed-off-by: Simeon Widdis <sawiddis@amazon.com>

Author: Swiddis

integ-test/src/test/java/org/opensearch/sql/calcite/remote/CalcitePPLCaseFunctionIT.java

@@ -315,7 +315,7 @@ public void testCaseCanBePushedDownAsRangeQuery() throws IOException {
                 TEST_INDEX_BANK));
     verifySchema(actual4, schema("avg(balance)", "double"), schema("age_range", "string"));
     // There's such a discrepancy because null cannot be the key for a range query
-    if (isPushdownDisabled()) {
+    if (isPushdownDisabled() || isAnalyticsParquetIndicesEnabled()) {
       verifyDataRows(
           actual4,
           rows(32838.0, "u30"),
@@ -470,7 +470,7 @@ public void testCaseAggWithNullValues() throws IOException {
                 TEST_INDEX_STATE_COUNTRY_WITH_NULL));
     verifySchema(actual, schema("avg(age)", "double"), schema("age_category", "string"));
     // There is such discrepancy because range aggregations will ignore null values
-    if (isPushdownDisabled()) {
+    if (isPushdownDisabled() || isAnalyticsParquetIndicesEnabled()) {
       verifyDataRows(
           actual,
           rows(10, "teenager"),