Fix response comparsion issue in python3

Change-Id: I700b36e5380b911e2f3259ace80eb6b7b9bbd79e
Signed-off-by: Matej Klotton <matej.klotton@pantheon.tech>
Issue-ID: SDNC-441
diff --git a/test/csit/tests/sdnc/healthcheck/test1.robot b/test/csit/tests/sdnc/healthcheck/test1.robot
index 4bf3d25..c002a18 100644
--- a/test/csit/tests/sdnc/healthcheck/test1.robot
+++ b/test/csit/tests/sdnc/healthcheck/test1.robot
@@ -14,32 +14,31 @@
 
 Healthcheck API
     Create Session   sdnc  http://localhost:8282/restconf
-    ${data}=    Get Binary File     ${CURDIR}${/}data${/}data.json
+    ${data}=    Get File     ${CURDIR}${/}data${/}data.json
     &{headers}=  Create Dictionary    Authorization=Basic YWRtaW46S3A4Yko0U1hzek0wV1hsaGFrM2VIbGNzZTJnQXc4NHZhb0dHbUp2VXkyVQ==    Content-Type=application/json    Accept=application/json
     ${resp}=    Post Request    sdnc    ${SDN_HEALTHCHECK_OPERATION_PATH}    data=${data}    headers=${headers}
     Should Be Equal As Strings    ${resp.status_code}    200
     Should Be Equal As Strings  ${resp.json()['output']['response-code']}   200
-	
+
 Check SLI-API
     Create Session   sdnc  http://localhost:8282
     &{headers}=  Create Dictionary    Authorization=Basic YWRtaW46S3A4Yko0U1hzek0wV1hsaGFrM2VIbGNzZTJnQXc4NHZhb0dHbUp2VXkyVQ==    Content-Type=application/json    Accept=application/json
     ${resp}=    Get Request    sdnc    ${SDN_APIDOCS_URI}    headers=${headers}
-    Log    ${resp.content}
-    Should Contain    ${resp.content}    SLI-API  
+    Log    ${resp.text}
+    Should Contain    ${resp.text}    SLI-API
 
 Check VNF-API
     Create Session   sdnc  http://localhost:8282
     &{headers}=  Create Dictionary    Authorization=Basic YWRtaW46S3A4Yko0U1hzek0wV1hsaGFrM2VIbGNzZTJnQXc4NHZhb0dHbUp2VXkyVQ==    Content-Type=application/json    Accept=application/json
     ${resp}=    Get Request    sdnc    ${SDN_APIDOCS_URI}    headers=${headers}
-    Log    ${resp.content}
-    Should Contain    ${resp.content}    VNF-API
+    Log    ${resp.text}
+    Should Contain    ${resp.text}    VNF-API
 
 Test Preload
     Create Session   sdnc  http://localhost:8282/restconf
-    ${data}=    Get Binary File     ${CURDIR}${/}data${/}preload.json
+    ${data}=    Get File     ${CURDIR}${/}data${/}preload.json
     &{headers}=  Create Dictionary    Authorization=Basic YWRtaW46S3A4Yko0U1hzek0wV1hsaGFrM2VIbGNzZTJnQXc4NHZhb0dHbUp2VXkyVQ==    Content-Type=application/json    Accept=application/json
     ${resp}=    Post Request    sdnc    ${PRELOAD_VNF_TOPOLOGY_OPERATION_PATH}    data=${data}    headers=${headers}
-    Log    ${resp.content}
+    Log    ${resp.text}
     Should Be Equal As Strings    ${resp.status_code}    200
     Should Be Equal As Strings  ${resp.json()['output']['response-code']}   200
-