Add possibility to redefine  values in YAML-based
Jenkins parameters
Also fixed typo in method name

PROD-36265

Change-Id: I7df29e7c46b7cdf6cd7e45b684c7e18c64201765
diff --git a/tcp_tests/tests/system/test_mcp_update.py b/tcp_tests/tests/system/test_mcp_update.py
index 240b481..c1456be 100644
--- a/tcp_tests/tests/system/test_mcp_update.py
+++ b/tcp_tests/tests/system/test_mcp_update.py
@@ -234,7 +234,12 @@
         job_parameters = {
             'GIT_REFSPEC': 'release/proposed/2019.2.0',
             'MK_PIPELINES_REFSPEC': 'release/proposed/2019.2.0',
-            'TARGET_MCP_VERSION': '2019.2.0'
+            'TARGET_MCP_VERSION': '2019.2.0',
+            "DRIVE_TRAIN_PARAMS": {
+                        "OS_DIST_UPGRADE": True,
+                        "OS_UPGRADE": True,
+                        "BATCH_SIZE": 10
+                        }
         }
         job_result, job_description = dt.start_job_on_jenkins(
             job_name=job_name,
@@ -346,7 +351,9 @@
 
         job_name = 'deploy-upgrade-galera'
         job_parameters = {
-            'INTERACTIVE': 'false'
+            'INTERACTIVE': 'false',
+            'OS_DIST_UPGRADE': 'true',
+            'OS_UPGRADE': 'true'
         }
 
         job_result, job_description = dt.start_job_on_jenkins(
@@ -480,7 +487,9 @@
         # ########### Start Deploy - upgrade RabbitMQ pipeline  ############
         show_step(3)
         job_parameters = {
-            'INTERACTIVE': 'false'
+            'INTERACTIVE': 'false',
+            'OS_DIST_UPGRADE': 'true',
+            'OS_UPGRADE': 'true'
         }
 
         job_result, job_description = dt.start_job_on_jenkins(
@@ -542,7 +551,9 @@
         job_parameters = {
             "STAGE_UPGRADE_DOCKER_COMPONENTS": True,
             "STAGE_UPGRADE_ES_KIBANA": True,
-            "STAGE_UPGRADE_SYSTEM_PART": True
+            "STAGE_UPGRADE_SYSTEM_PART": True,
+            'OS_DIST_UPGRADE': 'true',
+            'OS_UPGRADE': 'true'
         }
         job_result, job_description = drivetrain.start_job_on_jenkins(
             job_name="stacklight-upgrade",