Fix VNF_API global variable

Issue-ID: INT-1345
Change-Id: I623fc3bc3de7eeb34a13e630f3234fd57cb341e5
Signed-off-by: Brian Freeman <bf1936@att.com>
diff --git a/robot/testsuites/demo.robot b/robot/testsuites/demo.robot
index 4278be1..c1877e7 100644
--- a/robot/testsuites/demo.robot
+++ b/robot/testsuites/demo.robot
@@ -24,6 +24,8 @@
 ${REVERSE_HEATBRIDGE}
 ${HB_VNF}
 
+${API_TYPE}   VNF_API
+
 *** Test Cases ***
 Initialize Customer And Models
     [Tags]   InitDemo
@@ -49,6 +51,11 @@
     [Tags]   PreloadDemo
     Preload User Model   ${VNF_NAME}   ${MODULE_NAME}    ${SERVICE}    ${SERVICE_INSTANCE_ID}
 
+Preload VNF GRA
+    [Tags]   PreloadDemoGRA
+    Set Global Variable    ${API_TYPE}   GRA_API
+    Preload User Model   ${VNF_NAME}   ${MODULE_NAME}    ${SERVICE}    ${SERVICE_INSTANCE_ID}
+
 Create APPC Mount Point
     [Tags]   APPCMountPointDemo
     APPC Mount Point    ${MODULE_NAME}