DMTF Redfish-Service-Validator tool test

Changes:
    - Added test to get Redfish-Service-Validator tool and run.
    - Create dmtf lib utils file for other tooling aspect.

Test: On BMC with Master.

Change-Id: I718a475f4f15ebd1d0ade02bfaabf7e585ddc290
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
Signed-off-by: Maksym Yepaneshnikov <Maksym_Yepaneshnikov@jabil.com>
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/dmtf_tools_utils.robot b/lib/dmtf_tools_utils.robot
new file mode 100644
index 0000000..1a406d0
--- /dev/null
+++ b/lib/dmtf_tools_utils.robot
@@ -0,0 +1,39 @@
+*** Settings ***
+Documentation   DMTF tools utility keywords.
+
+Resource        resource.robot
+Library         gen_cmd.py
+
+*** Variables ***
+
+# ignore_err controls Shell Cmd behavior.
+${ignore_err}     ${0}
+
+*** Keywords ***
+
+Download DMTF Tool
+    [Documentation]  Git clone tool.
+    [Arguments]      ${rsv_dir_path}  ${rsv_github_url}
+
+    # Description of arguments:
+    # rsv_dir_path    Directory path for rsv tool (e.g. "Redfish-Service-Validator").
+    # rsv_github_url  Github URL link(e.g "https://github.com/DMTF/Redfish-Service-Validator").
+
+    ${rc}  ${output}=  Shell Cmd  rm -rf ${rsv_dir_path} ; git clone ${rsv_github_url} ${rsv_dir_path}
+    Log  ${output}
+
+
+Run DMTF Tool
+    [Documentation]  Execution of the command.
+    [Arguments]      ${rsv_dir_path}  ${command_string}
+
+    # Description of arguments:
+    # rsv_dir_path    Directory path for rsv tool (e.g. "Redfish-Service-Validator").
+    # command_string  The complete rsv command string to be run.
+
+    ${rc}  ${output}=  Shell Cmd  ${command_string}
+    Log  ${output}
+
+    # Example:
+    # Validation has failed: 9 problems found
+    Should Not Contain  ${output}  Validation has failed