Add sftp strict host key checking to DFC tests

Issue-ID: DCAEGEN2-2219
Signed-off-by: Remigiusz Janeczek <remigiusz.janeczek@nokia.com>
Change-Id: I77438c7215bc80c65080f7c773fb9401edef6e79
diff --git a/tests/dcaegen2-collectors-datafile/resources/common-keywords.robot b/tests/dcaegen2-collectors-datafile/resources/common-keywords.robot
index a36833e..c425fe2 100644
--- a/tests/dcaegen2-collectors-datafile/resources/common-keywords.robot
+++ b/tests/dcaegen2-collectors-datafile/resources/common-keywords.robot
@@ -44,3 +44,13 @@
 	${cli_cmd_output}=          Run Process                    ${DFC_ROOT}/dfc-start.sh   cwd=${DFC_ROOT}   env:SIMGROUP_ROOT=${SIMGROUP_ROOT}
     Log To Console              Dfc-start:
     Log To Console              ${cli_cmd_output.stdout} ${cli_cmd_output.stderr}
+
+
+Test Teardown
+	[Documentation]				Cleanup containers
+    ${cli_cmd_output}=          Run Process             ${SIMGROUP_ROOT}/simulators-kill.sh
+    Log To Console              ${cli_cmd_output.stdout} ${cli_cmd_output.stderr}
+    ${cli_cmd_output}=          Run Process             ${DFC_ROOT}/dfc-kill.sh
+    Log To Console              ${cli_cmd_output.stdout} ${cli_cmd_output.stderr}
+    ${cli_cmd_output}=          Run Process             ${DFC_ROOT}/../dfc-containers-clean.sh           stderr=STDOUT
+    Log To Console              Dfc containter clean: ${cli_cmd_output.stdout} ${cli_cmd_output.stderr}