replaced worflow with workflow

SOL003/VNFLifecycleManagement-API/InstantiateVNFTaskWorkflow.robot

@@ -19,7 +19,7 @@ Library    REST    ${VNFM_SCHEMA}://${VNFM_HOST}:${VNFM_PORT}
 *** Test Cases ***
 VNF Instantiation
     [Documentation]    Test ID: 7.3.1.26
-    ...    Test title: VNF Instantiation worflow
+    ...    Test title: VNF Instantiation workflow
     ...    Test objective: The objective is to test the workflow for the instantiation of a VNF instance
     ...    Pre-conditions: VNF instance resources is already created. NFVO is subscribed to VNF LCM Operation Occurrence notifications 
     ...    Reference: clause 5.4.4 - ETSI GS NFV-SOL 003 [1] v2.4.1

SOL003/VNFLifecycleManagement-API/ScaleVNFToLevelWorkflow.robot

@@ -15,7 +15,7 @@ Library    Process
 *** Test Cases ***
 VNF Instance Scale To Level
    [Documentation]    Test ID: 7.3.1.31
-    ...    Test title: VNF Instance Scale To Level worflow
+    ...    Test title: VNF Instance Scale To Level workflow
     ...    Test objective: The objective is to test the workflow for the scale to level of a VNF instance
     ...    Pre-conditions: VNF instance in INSTANTIATED state . NFVO is subscribed to VNF LCM Operation Occurrence notifications 
     ...    Reference: clause 5.4.6 - ETSI GS NFV-SOL 003 [1] v2.4.1

SOL003/VNFLifecycleManagement-API/ScaleVNFWorkflow.robot

@@ -15,7 +15,7 @@ Library    Process
 *** Test Cases ***
 VNF Instance Scale Out
    [Documentation]    Test ID: 7.3.1.32
-    ...    Test title: VNF Instance Scale Out worflow
+    ...    Test title: VNF Instance Scale Out workflow
     ...    Test objective: The objective is to test the workflow for the scaling out a VNF instance
     ...    Pre-conditions: VNF instance in INSTANTIATED state (Test ID: 5.4.4.1). NFVO is subscribed to VNF LCM Operation Occurrence notifications (Test ID: 5.4.20.1)
     ...    Reference: clause 5.4.5 - ETSI GS NFV-SOL 003 [1] v2.4.1