Fix issue #150

SOL003/VNFPackageManagement-API/VNFPackageManagementKeywords.robot

@@ -1147,4 +1147,6 @@ Check Postcondition OnBoarded VNF Package Artifact Exist
     Set Headers    {"Accept": "${ACCEPT_JSON}"}
     Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
     GET    ${apiRoot}/${apiName}/${apiVersion}/onboarded_vnf_packages/${vndId}/artifacts/${artifactPath}
+    ${output}=    Output    response
+    Set Suite Variable    ${response}    ${output}
     Check HTTP Response Status Code Is    200

SOL005/VNFPackageManagement-API/VNFPackageManagementKeywords.robot

@@ -633,6 +633,8 @@ Check Postcondition VNF Package Artifact Exist
     Set Headers    {"Accept": "${ACCEPT_JSON}"}
     Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization": "${AUTHORIZATION}"}
     GET    ${apiRoot}/${apiName}/${apiVersion}/vnf_packages/${vnfPackageId}/artifacts/${artifactPath}
+    ${output}=    Output    response
+    Set Suite Variable    ${response}    ${output}
     Check HTTP Response Status Code Is    200
 
 Send POST Request to upload VNF Package Content from URI