[VOL-1961] Implement the new test: failure-test

- Check the rw-core status after ETCD crash

Change-Id: I64ac14ffcf547f735b8dea3c4237bedcc5cf3699
diff --git a/libraries/k8s.robot b/libraries/k8s.robot
index dfc0727..781d0b2 100644
--- a/libraries/k8s.robot
+++ b/libraries/k8s.robot
@@ -162,6 +162,13 @@
     ...    kubectl delete -n ${namespace} pod/${name}
     Should Be Equal as Integers    ${rc}    0
 
+Delete K8s Pods By Label
+    [Arguments]    ${namespace}    ${key}    ${value}
+    [Documentation]    Uses kubectl to delete a PODs, filtering by label   
+    ${rc}=    Run and Return Rc
+    ...    kubectl -n ${namespace} delete pods -l${key}=${value}
+    Should Be Equal as Integers    ${rc}    0
+
 Scale K8s Deployment
     [Arguments]    ${namespace}    ${name}    ${count}
     [Documentation]    Uses kubectl to scale a named deployment
@@ -183,6 +190,14 @@
     Should Be Equal As Integers    ${count}    0
     Should Be True    ${count}==0
 
+Pods Does Not Exist By Label
+    [Arguments]    ${namespace}    ${key}    ${value}
+    [Documentation]    Succeeds if the named POD does not exist
+    ${rc}    ${count}    Run and Return Rc And Output
+    ...    kubectl get -n ${namespace} pod -l${key}=${value} -o json | jq -r ".items[].metadata.name" | wc -l
+    Should Be Equal As Integers    ${count}    0
+    Should Be True    ${count}==0
+
 Get Available Deployment Replicas
     [Arguments]    ${namespace}    ${name}
     [Documentation]    Succeeds if the named POD exists and has a ready count > 0
@@ -216,3 +231,10 @@
     ${replicas}=    Run Keyword If    '${value}' == ''    Set Variable    0
     ...    ELSE    Set Variable    ${value}
     Should be Equal as Integers    ${replicas}    ${expected_count}
+
+Pods Does Not Ready By Label
+    [Arguments]    ${namespace}    ${key}    ${value}
+    [Documentation]    Check PODs Ready Status
+    ${rc}    ${count}    Run and Return Rc and Output
+    ...    kubectl -n ${namespace} get pods -l ${key}=${value} -o json | jq -r ".items[].status.containerStatuses[].ready" | grep -c false
+    Should Be Equal as Integers    ${rc}    0