Add CSIT for AAF Cert Service and refactor code

Signed-off-by: Aleksandra Maciaga <aleksandra.maciaga@nokia.com>
Issue-ID: AAF-995
Change-Id: I83678b1f9aa8fad8da1d3244b19d2e20b4512f0d
diff --git a/tests/aaf/certservice/cert-service-test.robot b/tests/aaf/certservice/cert-service-test.robot
index cc72eb6..aa2691a 100644
--- a/tests/aaf/certservice/cert-service-test.robot
+++ b/tests/aaf/certservice/cert-service-test.robot
@@ -13,17 +13,32 @@
     [Documentation]   Run healthcheck
     Run Healthcheck
 
+AAF Cert Service API Reload Configuration
+    [Tags]      AAF-CERT-SERVICE
+    [Documentation]   Reload configuration
+    Send Post Request And Validate Response  /actuator/refresh  200
+
 AAF Cert Service API Send Valid CSR and Valid PK
     [Tags]      AAF-CERT-SERVICE
     [Documentation]  Send request to /v1/certificate/test endpoint and expect 200
-    Send Request And Validate Response  ${CERT_PATH}  ${VALID_CSR_FILE}  ${VALID_PK_FILE}  200
+    Send Get Request with Header And Validate Response  ${CERT_PATH}  ${VALID_CSR_FILE}  ${VALID_PK_FILE}  200
+
+AAF Cert Service API Send Valid CSR and Valid PK to Wrong Path
+    [Tags]      AAF-CERT-SERVICE
+    [Documentation]  Send request to /v1/certificate/ endpoint and expect 404
+    Send Get Request with Header And Validate Response  /v1/certificate/  ${VALID_CSR_FILE}  ${VALID_PK_FILE}  404
+
+AAF Cert Service API Send Request without Header
+    [Tags]      AAF-CERT-SERVICE
+    [Documentation]  Send request to /v1/certificate/ endpoint and expect 400
+    Send Get Request And Validate Response  ${CERT_PATH}  400
 
 AAF Cert Service API Send Invalid CSR and Valid PK
     [Tags]      AAF-CERT-SERVICE
     [Documentation]  Send request to /v1/certificate/test endpoint and expect 400
-    Send Request And Validate Response  ${CERT_PATH}  ${INVALID_CSR_FILE}  ${VALID_PK_FILE}  400
+    Send Get Request with Header And Validate Response  ${CERT_PATH}  ${INVALID_CSR_FILE}  ${VALID_PK_FILE}  400
 
 AAF Cert Service API Send Valid CSR and Invalid PK
     [Tags]      AAF-CERT-SERVICE
     [Documentation]  Send request to /v1/certificate/test endpoint and expect 400
-    Send Request And Validate Response  ${CERT_PATH}  ${VALID_CSR_FILE}  ${INVALID_PK_FILE}  400
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+    Send Get Request with Header And Validate Response  ${CERT_PATH}  ${VALID_CSR_FILE}  ${INVALID_PK_FILE}  400
\ No newline at end of file