Merge branch '2.6.1-fix-plu' of https://forge.etsi.org/rep/nfv/api-tests into 2.6.1-fix-plu

SOL005/NSDManagement-API/IndividualNSDescriptor.robot

@@ -22,7 +22,7 @@ GET Individual Network Service Descriptor Information
     GET Individual Network Service Descriptor Information
     Check HTTP Response Status Code Is    200
     Check HTTP Response Body Json Schema Is   NsdInfo
-    Check HTTP Response Header Contains Etag
+    Check HTTP Response Header Contains ETag
     Check HTTP Response Body NsdInfo Identifier matches the requested Network Service Descriptor Information
 
 GET Individual Network Service Descriptor Information with invalid resource identifier

SOL005/NSDManagement-API/NSDManagementKeywords.robot

@@ -1033,7 +1033,7 @@ Check HTTP Response Header Contains
 Check HTTP Response Header Contains Etag
     Should Contain    ${response['headers']}    ETag
     Log    Header is present
-    Set Suite Variable    ${original_etag}    ${response['headers]['Etag']}
+    Set Suite Variable    ${original_etag}    ${response['headers]['ETag']}
 
 Create Sessions
     Pass Execution If    ${NFVO_CHECKS_NOTIF_ENDPOINT} == 0    MockServer not started as NFVO is not checking the notification endpoint