add needed import and move cds to common folder

Issue-ID: TEST-214
Change-Id: I7356bd28230adbdd7e56f6488000da71719469d8
Signed-off-by: DR695H <dr695h@att.com>
diff --git a/robot/testsuites/demo.robot b/robot/testsuites/demo.robot
index 1e87ce8..b16de5c 100755
--- a/robot/testsuites/demo.robot
+++ b/robot/testsuites/demo.robot
@@ -4,7 +4,6 @@
 Library           ONAPLibrary.SO    WITH NAME    SO
 Library   Collections
 Resource         ../resources/demo_preload.robot
-Resource         ../resources/cds_interface.robot
 
 *** Variables ***
 
@@ -71,11 +70,7 @@
 
 Instantiate VLB_CDS
     [Tags]   instantiateVLB_CDS
-    ${status}   ${value}=   Run Keyword And Ignore Error   Distribute Model   vLB_CDS   demoVLB_CDS  True
-    ${service-uuid}  ${service-invariantUUID}=  Get Service Catalog  demoVLB_CDS
-    ${resp}=   Get Service VNFs  demoVLB_CDS
-    ${cds_requestid}=   Service Assign & Activate  demoVLB_CDS  ${service-uuid}  ${service-invariantUUID}  ${resp} 
-    Check Infra Active Requests  ${cds_requestid}  
+    Instantiate VNF CDS    vLB_CDS   demoVLB_CDS
 
 Delete Instantiated VNF
     [Documentation]   This test assumes all necessary variables are loaded via the variable file create in  Save For Delete