diff --git a/MEC011/SRV/LIV/Liveness.robot b/MEC011/SRV/LIV/Liveness.robot
index 2e7e3102d5abebbebc23a3763e7811948beb27ce..72fd4bac08c2d69ed98f07559532b13e20988399 100644
--- a/MEC011/SRV/LIV/Liveness.robot
+++ b/MEC011/SRV/LIV/Liveness.robot
@@ -1,7 +1,7 @@
 *** Settings ***
 
 Documentation
-...    A test suite for validating Application Subscriptions (APPSUB) operations.
+...    A test suite for validating MEC Liveness Service (MLS) operations.
 
 Resource    ../../../GenericKeywords.robot
 Resource    environment/variables.txt
@@ -15,35 +15,38 @@ TP_MEC_MEC011_SRV_MSL_001_OK
     [Documentation]
     ...    Check that the IUT responds with the liveness of a MEC service instance 
     ...     when queried by a MEC Application
-    ...    Reference    ETSI GS MEC 011 V2.2.1, clause 8.2.10.3.1
- 
+    ...    Reference    "ETSI GS MEC 011 3.2.1, clause 5.2.12",
+    ...                 "ETSI GS MEC 011 3.2.1, clause 8.1.2.4",
+    ...                 "ETSI GS MEC 011 3.2.1, clause 8.2.10.3.1"
     [Tags]    PIC_MEC_PLAT    PIC_SERVICES
     Individual MEC service liveness  ${URL_SERVICE_MEC_LIVENESS} 
     Check HTTP Response Status Code Is    200
     Check HTTP Response Body Json Schema Is    ServiceLivenessInfo
-
+    Check Response Contains    ${response['body']}   state    ACTIVE
 
 
 TP_MEC_MEC011_SRV_MSL_001_NF
     [Documentation]
     ...   Check that the IUT responds with an error when
-    ...     a request for an URI that cannot be mapped to a valid resource URI 
-    ...     is sent by a MEC Application
-    ...    Reference    ETSI GS MEC 011 V2.2.1, clause 8.2.10.3.1
- 
+    ...   a request for an URI that cannot be mapped to a valid resource URI 
+    ...   is sent by a MEC Application
+    ...    Reference    "ETSI GS MEC 011 3.2.1, clause 5.2.12",
+    ...                 "ETSI GS MEC 011 3.2.1, clause 8.1.2.4",
+    ...                 "ETSI GS MEC 011 3.2.1, clause 8.2.10.3.1"
     [Tags]    PIC_MEC_PLAT    PIC_SERVICES
     Individual MEC service liveness  ${NOT_EXISING_URL_SERVICE_MEC_LIVENESS}
     Check HTTP Response Status Code Is    404
 
 
-TP_MEC_MEC011_SRV_MSL_002_OK
+TP_MEC_MEC011_SRV_MSL_002_OK_01
     [Documentation]
     ...    Check that the IUT updates the liveness of a MEC service instance 
     ...    when requested by a MEC Application
- 
+    ...    Reference  "ETSI GS MEC 011 3.2.1, clause 5.2.12",
+    ...               "ETSI GS MEC 011 3.2.1, clause 8.1.2.5",
+    ...               "ETSI GS MEC 011 3.2.1, clause 8.2.10.3.3"
     [Tags]    PIC_MEC_PLAT    PIC_SERVICES
     Set Headers    {"Authorization":"${TOKEN}"}
-    
     ${file}=    Catenate    SEPARATOR=    jsons/    ServiceLivenessUpdate    .json
     ${body}=    Get File    ${file}
     Update MEC service liveness  ${URL_SERVICE_MEC_LIVENESS}  ${body}
@@ -51,11 +54,30 @@ TP_MEC_MEC011_SRV_MSL_002_OK
     Check HTTP Response Body Json Schema Is    ServiceLivenessInfo
     Check Response Contains    ${response['body']}   state    ACTIVE
 
+
+TP_MEC_MEC011_SRV_MSL_002_OK_02
+    [Documentation]
+    ...    Check that the IUT updates the liveness of a MEC service instance 
+    ...    when requested by a MEC Application
+    ...    Reference  "ETSI GS MEC 011 3.2.1, clause 5.2.12",
+    ...               "ETSI GS MEC 011 3.2.1, clause 8.1.2.5",
+    ...               "ETSI GS MEC 011 3.2.1, clause 8.2.10.3.3"
+    [Tags]    PIC_MEC_PLAT    PIC_SERVICES
+    Set Headers    {"Authorization":"${TOKEN}"}
+    
+    ${file}=    Catenate    SEPARATOR=    jsons/    ServiceLivenessUpdate    .json
+    ${body}=    Get File    ${file}
+    Update MEC service liveness  ${URL_SERVICE_MEC_LIVENESS}  ${body}
+    Check HTTP Response Status Code Is    204
+    
+
 TP_MEC_MEC011_SRV_MSL_002_BR
     [Documentation]
     ...    Check that the IUT responds with an error when
     ...    incorrect parameters were sent by a MEC Application
- 
+    ...    Reference    "ETSI GS MEC 011 3.2.1, clause 8.1.2.5",
+    ...                 "ETSI GS MEC 011 3.2.1, clause 8.2.10.3.3",
+    ...                 "ETSI GS MEC 011 3.2.1, clause 8.2.10.3.3"
     [Tags]    PIC_MEC_PLAT    PIC_SERVICES
     Set Headers    {"Authorization":"${TOKEN}"}
     
@@ -80,6 +102,7 @@ Update MEC service liveness
     [Arguments]    ${URL_MEC_SERVICE_LIVENESS}  ${body}
     Set Headers    {"Accept":"application/json"}
     Set Headers    {"Authorization":"${TOKEN}"}
+    Set Headers    {"Content-Type":"application/json"}
     Patch     ${URL_MEC_SERVICE_LIVENESS}   ${body}
     ${output}=    Output    response
     Set Suite Variable    ${response}    ${output}  
diff --git a/MEC011/SRV/LIV/environment/variables.txt b/MEC011/SRV/LIV/environment/variables.txt
index e711cbdb446f7e026c536de45acf8af281ae28fd..eb2e7bfe021e0f7c21f03c4e1b5b06b723310e36 100644
--- a/MEC011/SRV/LIV/environment/variables.txt
+++ b/MEC011/SRV/LIV/environment/variables.txt
@@ -6,8 +6,6 @@ ${PORT}                     8081
 ${response}                         {}
 ${TOKEN}                            Basic YWxhZGRpbjpvcGVuc2VzYW1l
 ${apiRoot}        
-${apiName}        mec_app_support
-${apiVersion}     v1
 
 # Specific variables
 ${URL_SERVICE_MEC_LIVENESS} 	/link/to/individual/mecServiceLiveness