Make certservice-client use volume mount

Client container runs as root to avoid permission issues with volume mount access
Change client output path from '/var/log' to '/var/certs'

Issue-ID: AAF-1107
Signed-off-by: Remigiusz Janeczek <remigiusz.janeczek@nokia.com>
Change-Id: I28ec95cd5e38f43d282087264b04c5b378bbabfd
diff --git a/tests/aaf/certservice/resources/cert-service-keywords.robot b/tests/aaf/certservice/resources/cert-service-keywords.robot
index c70cfcf..75cebad 100644
--- a/tests/aaf/certservice/resources/cert-service-keywords.robot
+++ b/tests/aaf/certservice/resources/cert-service-keywords.robot
@@ -87,7 +87,7 @@
     [Documentation]  Run Cert Service Client Container And Validate Exit Code
     [Arguments]   ${env_file}  ${expected_exit_code}
     ${exit_code}=  Run Client Container  ${DOCKER_CLIENT_IMAGE}  ${CLIENT_CONTAINER_NAME}  ${env_file}  ${CERT_SERVICE_ADDRESS}${CERT_SERVICE_ENDPOINT}  ${CERT_SERVICE_NETWORK}
-    ${can_open}=  Can Open Keystore And Truststore With Pass  ${CLIENT_CONTAINER_NAME}
+    ${can_open}=  Can Open Keystore And Truststore With Pass
     Remove Client Container And Save Logs  ${CLIENT_CONTAINER_NAME}  positive_path
     Should Be Equal As Strings  ${exit_code}  ${expected_exit_code}  Client return: ${exitcode} exit code, but expected: ${expected_exit_code}
     Should Be True  ${can_open}  Cannot Open Keystore/TrustStore by passpshase