diff --git a/test/csit/tests/so/sanity-check/data/createService.json b/test/csit/tests/so/sanity-check/data/createService.json
new file mode 100644
index 0000000..3ff629a
--- /dev/null
+++ b/test/csit/tests/so/sanity-check/data/createService.json
@@ -0,0 +1,29 @@
+{
+"requestDetails": {
+"modelInfo": {
+"modelType": "",
+"modelInvariantId": "ff3514e3-5a33-55df-13ab-12abad84e7ff",
+"modelNameVersionId": "fe6985cd-ea33-3346-ac12-ab121484a3fe",
+"modelName": "Test",
+"modelVersion": "1.0"
+},
+"subscriberInfo": {
+"globalSubscriberId": "{some subscriber id}",
+"subscriberName": "{some subscriber name}"
+},
+"requestInfo": {
+"instanceName": "MSO_TEST",
+"source": "VID",
+"suppressRollback": true
+},
+"requestParameters": {
+"subscriptionServiceType": "MOG",
+"userParams": [
+{
+"name": "someUserParam",
+"value": "someValue"
+}
+]
+}
+}
+}
\ No newline at end of file
diff --git a/test/csit/tests/so/sanity-check/data/createService_null_input.json b/test/csit/tests/so/sanity-check/data/createService_null_input.json
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/csit/tests/so/sanity-check/data/createService_null_input.json
diff --git a/test/csit/tests/so/sanity-check/data/createVnf.json b/test/csit/tests/so/sanity-check/data/createVnf.json
new file mode 100644
index 0000000..7ea3d24
--- /dev/null
+++ b/test/csit/tests/so/sanity-check/data/createVnf.json
@@ -0,0 +1,35 @@
+{
+	"requestDetails": {
+		"modelInfo": {
+			"modelType": "",
+			"modelInvariantId": "ff5256d1-5a33-55df-13ab-12abad84e7ff",
+			"modelNameVersionId": "fe6478e4-ea33-3346-ac12-ab121484a3fe",
+			"modelName": "vSAMP12",
+			"modelVersion": "1.0",
+			"modelCustomizationName": "vSAMP12 1"
+		},
+		"cloudConfiguration": {
+			"lcpCloudRegionId": "mdt1",
+			"tenantId": "88a6ca3ee0394ade9403f075db23167e"
+		},
+		"requestInfo": {
+			"instanceName": "MSOTEST103a",
+			"productFamilyId": "a9a77d5a-123e-4ca2-9eb9-0b015d2ee0fb",
+			"source": "VID",
+			"suppressRollback": false
+		},
+		"relatedInstanceList": [{
+			"relatedInstance": {
+				"instanceId": " {serviceInstanceId} ",
+				"modelInfo": {
+					"modelType": "service",
+					"modelInvariantId": "ff3514e3-5a33-55df-13ab-12abad84e7ff",
+					"modelNameVersionId": "fe6985cd-ea33-3346-ac12-ab121484a3fe",
+					"modelName": " {parent service model name} ",
+					"modelVersion": "1.0"
+				}
+			}
+		}],
+		"requestParameters": {}
+	}
+}
diff --git a/test/csit/tests/so/sanity-check/data/deleteService.json b/test/csit/tests/so/sanity-check/data/deleteService.json
new file mode 100644
index 0000000..593fdd3
--- /dev/null
+++ b/test/csit/tests/so/sanity-check/data/deleteService.json
@@ -0,0 +1,13 @@
+{
+"requestDetails": {
+"modelInfo": {
+"modelType": "",
+"modelInvariantId": "ff3514e3-5a33-55df-13ab-12abad84e7ff",
+"modelName": " Test ",
+"modelVersion": "1.0"
+},
+"requestInfo": {
+"source": "VID"
+}
+}
+}
diff --git a/test/csit/tests/so/sanity-check/data/deleteVnf.json b/test/csit/tests/so/sanity-check/data/deleteVnf.json
new file mode 100644
index 0000000..f326a12
--- /dev/null
+++ b/test/csit/tests/so/sanity-check/data/deleteVnf.json
@@ -0,0 +1,20 @@
+{
+"requestDetails": {
+"modelInfo": {
+"modelType": "",
+"modelInvariantId": "ff5256d1-5a33-55df-13ab-12abad84e7ff",
+"modelName": "vSAMP12",
+"modelVersion": "1"
+},
+"cloudConfiguration": {
+"lcpCloudRegionId": "mdt1",
+"tenantId": "88a6ca3ee0394ade9403f075db23167e"
+},
+"requestInfo": {
+"source": "VID"
+},
+"requestParameters": {
+"userParams": []
+}
+}
+}
diff --git a/test/csit/tests/so/sanity-check/sanity_test_so.robot b/test/csit/tests/so/sanity-check/sanity_test_so.robot
index e53b46c..9ebf1fd 100644
--- a/test/csit/tests/so/sanity-check/sanity_test_so.robot
+++ b/test/csit/tests/so/sanity-check/sanity_test_so.robot
@@ -1,25 +1,71 @@
-*** settings ***
-Resource    ../../common.robot
+*** Settings ***
 Library     Collections
 Library     RequestsLibrary
 Library     OperatingSystem
 Library     json
-Library     HttpLibrary.HTTP
 
 *** Variables ***
-@{return_ok_list}=   200  201  202
-${queryservice_url}       /api/so/v1/services/5212b49f-fe70-414f-9519-88bec35b3190
-${service_id}
-${operation_id}
-*** Test Cases ***
-soQueryServiceFuncTest
-    [Documentation]    query single service rest test
-    ${headers}    Create Dictionary    Content-Type=application/json    Accept=application/json
-    Create Session    web_session    http://${MSB_IP}    headers=${headers}
-    ${resp}=  Get Request    web_session    ${queryservice_url}
-    ${responese_code}=     Convert To String      ${resp.status_code}
-    List Should Contain Value    ${return_ok_list}   ${responese_code}
-    ${response_json}    json.loads    ${resp.content}
-    ${serviceName}=    Convert To String      ${response_json['serviceName']}
-    Should Be Equal    ${serviceName}    test_so
+${MESSAGE}    Hello, world!
 
+*** Test Cases ***
+
+Create ServiceInstance for invalid input
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}createService.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Post Request    refrepo    /ecomp/mso/infra/serviceInstances/v2    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     400
+
+Create ServiceInstance for invalid user
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}createService.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQxOnBhc3N3b3JkMTI=    Content-Type=application/json    Accept=application/json
+    ${resp}=    Post Request    refrepo    /ecomp/mso/infra/serviceInstances/v2    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     401
+
+Delete ServiceInstance for invalid input
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}deleteService.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Delete Request    refrepo    /ecomp/mso/infra/serviceInstances/v2/ff305d54-75b4-431b-adb2-eb6b9e5ff000    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     400
+
+Delete ServiceInstance for invalid user
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}deleteService.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQxOnBhc3N3b3JkMTI==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Delete Request    refrepo    /ecomp/mso/infra/serviceInstances/v2/ff305d54-75b4-431b-adb2-eb6b9e5ff000    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     401
+
+SO ServiceInstance health check
+    Create Session   refrepo  http://${REPO_IP}:8080
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Get Request    refrepo    /ecomp/mso/infra/orchestrationRequests/v2/rq1234d1-5a33-55df-13ab-12abad84e333    headers=${headers}
+    Should Not Contain     ${resp.content}      null
+
+Create VnfInstance for invalid input
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}createVnf.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Post Request    refrepo    /ecomp/mso/infra/serviceInstances/v2/ff305d54-75b4-431b-adb2-eb6b9e5ff000/vnfs    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     400
+
+Create VnfInstance for invalid credential
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}createVnf.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQxOnBhc3N3b3JkMTI=    Content-Type=application/json    Accept=application/json
+    ${resp}=    Post Request    refrepo    /ecomp/mso/infra/serviceInstances/v2/ff305d54-75b4-431b-adb2-eb6b9e5ff000/vnfs    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     401
+
+Delete VnfInstance for invalid input
+    Create Session   refrepo  http://${REPO_IP}:8080
+    ${data}=    Get Binary File     ${CURDIR}${/}data${/}deleteVnf.json
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Delete Request    refrepo    /ecomp/mso/infra/serviceInstances/v2/ff305d54-75b4-431b-adb2-eb6b9e5ff000/vnfs/aca51b0a-710d-4155-bc7c-7cef19d9a94e    data=${data}    headers=${headers}
+    Should Be Equal As Strings  ${resp.status_code}     400
+
+Get Orchestration Requests
+    Create Session   refrepo  http://${REPO_IP}:8080
+    &{headers}=  Create Dictionary    Authorization=Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==    Content-Type=application/json    Accept=application/json
+    ${resp}=    Get Request    refrepo    /ecomp/mso/infra/orchestrationRequests/v2    headers=${headers}
+    Should Not Contain     ${resp.content}      null
\ No newline at end of file