diff --git a/code/Test_definitions/click-to-dial-createCall.feature b/code/Test_definitions/click-to-dial-createCall.feature
index 1cef225..f13b55f 100644
--- a/code/Test_definitions/click-to-dial-createCall.feature
+++ b/code/Test_definitions/click-to-dial-createCall.feature
@@ -7,10 +7,13 @@ Feature: CAMARA Click to Dial API, vwip - Operation createCall
     # References to OAS spec schemas refer to schemas specified in click-to-dial.yaml
 
   Background: Common createCall setup
-    Given an environment at "apiRoot"       |
+    Given an environment at "apiRoot"
+    And the resource "/click-to-dial/v0.1rc1/calls"
     And the header "Content-Type" is set to "application/json"
     And the header "Authorization" is set to a valid access token
-        # Properties not explicitly overwritten in the Scenarios can take any values compliant with the schema
+    And the header "x-correlator" is set to a valid UUID
+    And the header "x-correlator" complies with the schema at "#/components/schemas/XCorrelator"
+    # Properties not explicitly overwritten in the Scenarios can take any values compliant with the schema
     And the request body is set by default to a request body compliant with the schema at "/components/schemas/CreateCallRequest"
 
     # Success scenarios
diff --git a/code/Test_definitions/click-to-dial-getRecording.feature b/code/Test_definitions/click-to-dial-getRecording.feature
index 79b2376..ad37101 100644
--- a/code/Test_definitions/click-to-dial-getRecording.feature
+++ b/code/Test_definitions/click-to-dial-getRecording.feature
@@ -7,10 +7,13 @@ Feature: CAMARA Click to Dial API, vwip - Operation getRecording
     # References to OAS spec schemas refer to schemas specified in click-to-dial.yaml
 
   Background: Common getRecording setup
-    Given an environment at "apiRoot"       |
+    Given an environment at "apiRoot"
+    And the resource "/click-to-dial/v0.1rc1/calls/{callId}/recording"
     And the header "Content-Type" is set to "application/json"
     And the header "Authorization" is set to a valid access token
-        # Path parameters not explicitly overwritten in the Scenarios can take any values compliant with the schema
+    And the header "x-correlator" is set to a valid UUID
+    And the header "x-correlator" complies with the schema at "#/components/schemas/XCorrelator"
+    # Path parameters not explicitly overwritten in the Scenarios can take any values compliant with the schema
 
     # Success scenarios
   @getrecording_success
diff --git a/code/Test_definitions/click-to-dial-terminateCall.feature b/code/Test_definitions/click-to-dial-terminateCall.feature
index 9b9e19e..d758e75 100644
--- a/code/Test_definitions/click-to-dial-terminateCall.feature
+++ b/code/Test_definitions/click-to-dial-terminateCall.feature
@@ -7,10 +7,13 @@ Feature: CAMARA Click to Dial API, vwip - Operation terminateCall
     # References to OAS spec schemas refer to schemas specified in click-to-dial.yaml
 
   Background: Common terminateCall setup
-    Given an environment at "apiRoot"       |
+    Given an environment at "apiRoot"
+    And the resource "/click-to-dial/v0.1rc1/calls/{callId}"
     And the header "Content-Type" is set to "application/json"
     And the header "Authorization" is set to a valid access token
-        # Path parameters not explicitly overwritten in the Scenarios can take any values compliant with the schema
+    And the header "x-correlator" is set to a valid UUID
+    And the header "x-correlator" complies with the schema at "#/components/schemas/XCorrelator"
+    # Path parameters not explicitly overwritten in the Scenarios can take any values compliant with the schema
 
     # Success scenarios
   @terminatecall_success