Check for REST password logged in journald

Changes:
   - Added code to update password.
   - Added check for REST_PASSWORD footprint.
   - Move "Update Root Password" keyword to lib/utils.robot.

Change-Id: Id1989a87e4169335cd0033f4de8049bca8e4a803
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/extended/test_user_management.robot b/extended/test_user_management.robot
index 180ce7f..9523477 100644
--- a/extended/test_user_management.robot
+++ b/extended/test_user_management.robot
@@ -3,6 +3,7 @@
 
 Resource         ../lib/rest_client.robot
 Resource         ../lib/openbmc_ffdc.robot
+Resource         ../lib/utils.robot
 Library          SSHLibrary
 
 Test Teardown    Test Teardown Execution
@@ -69,20 +70,3 @@
 
     FFDC On Test Case Fail
     Close All Connections
-
-
-Update Root Password
-    [Documentation]  Update system default "root" user password.
-    [Arguments]  ${user_password}=${OPENBMC_PASSWORD}
-
-    # Description of argument(s):
-    # user_password  User password string.
-
-    @{password} =  Create List  ${user_password}
-    ${data} =  Create Dictionary  data=@{password}
-
-    ${headers} =  Create Dictionary  Content-Type=application/json
-    ${resp} =  Post Request  openbmc  ${BMC_USER_URI}root/action/SetPassword
-    ...  data=${data}  headers=${headers}
-    Should Be Equal As Strings  ${resp.status_code}  ${HTTP_OK}
-    ...  msg=Updating the new root password failed, RC=${resp.status_code}.