Pass default delete parameter as EMPTY

Resolves openbmc/openbmc-test-automation#506

Change-Id: I0784005e54a2bb62311cac3d18d10422a3302f86
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_rest_interfaces.robot b/tests/test_rest_interfaces.robot
index 9c9d919..f1ceded 100644
--- a/tests/test_rest_interfaces.robot
+++ b/tests/test_rest_interfaces.robot
@@ -180,7 +180,7 @@
     [Documentation]  Request Post on url path and expected non empty data.
     # Description of arguments:
     # url_path     URL path.
-    ${data}=  Create Dictionary   data=@{data}
+    ${data}=  Create Dictionary  data=@{parm}
     ${resp}=  Openbmc Post Request  ${url_path}  data=${data}
     Should Be Equal As Strings  ${resp.status_code}  ${HTTP_OK}
     ${jsondata}=  To JSON  ${resp.content}
@@ -192,5 +192,6 @@
     # Description of arguments:
     # expected_response_code   Expected REST status codes.
     # url_path     URL path.
-    ${resp}=  Openbmc Delete Request  ${url_path}
+    ${data}=  Create Dictionary  data=@{EMPTY}
+    ${resp}=  Openbmc Delete Request  ${url_path}  data=${data}
     Should Be Equal As Strings  ${resp.status_code}  ${expected_response_code}