Dlee mtr restructure (#2494)

* Restructured test suites and added autopilot and extended suites

* Updated autopilot with correct branch - develop

* Moved setup test case to a 'setup' directory, for consistency

* Fixed a path issue

* Updated some tests cases to keep up with development

Co-authored-by: root <root@rocky8.localdomain>

mysql-test/columnstore/devregression/t/mcs7669_q521.test

@@ -0,0 +1,25 @@
+#
+# Test case migrated from regression test suite:
+# ./mysql/queries/nightly/alltest/test102/q5.2.1.sql
+#
+# Author: Susil, susil.behera@mariadb.com
+#
+
+-- source ../include/have_columnstore.inc
+
+USE tpch1;
+
+# Reworked to use lineitem instead of demographics200.
+select  n_name, sum(l_quantity), sum(l_extendedprice),
+        max(l_quantity),
+        sum(l_partkey),
+        avg(l_suppkey),
+        min(l_extendedprice),
+        max(l_discount),
+        count(l_shipdate),
+        avg(l_tax)
+from nation, lineitem
+where l_suppkey between 10 and 70
+        and n_regionkey = 1
+        and n_nationkey = l_linenumber
+group by n_name order by n_name;