Add fix for upgrade galera with mysql 5.7

--add update-mysql-version parametr for major upgrade

Related-Prod: PROD-36708
Change-Id: Ic1eb785c7f42a7532f55946aa6c024430810e0bf
diff --git a/jobs/templates/test-scenarios.yml b/jobs/templates/test-scenarios.yml
index 71e3643..4224901 100644
--- a/jobs/templates/test-scenarios.yml
+++ b/jobs/templates/test-scenarios.yml
@@ -126,7 +126,7 @@
       --keep-duplicates --maxfail=1 \
       tcp_tests/tests/system/test_mcp_update.py::TestUpdateMcpCluster::test_update_drivetrain \
       tcp_tests/tests/system/test_mcp_update.py::TestOpenstackUpdate \
-      tcp_tests/tests/system/test_mcp_update.py::TestUpdateMcpCluster::test_update_galera \
+      tcp_tests/tests/system/test_mcp_update.py::TestUpdateMcpCluster::test_update_galera --update-mysql-version 5.7 \
       tcp_tests/tests/system/test_mcp_update.py::TestUpdateMcpCluster::test_update_rabbit \
       tcp_tests/tests/system/test_mcp_update.py::TestUpdateMcpCluster::test_update_stacklight \
       tcp_tests/tests/system/test_mcp_update.py::TestUpdateMcpCluster::test_update_ceph \