OC login should retry few times

[vasukulkarni]

oc login -u OCP_ADMIN_USER_USERNAME -p ******** OPENSHIFT_CONSOLE_URL:6443 -

rror: dial tcp: lookup OPENSHIFT_CONSOLE_URL on 10.11.5.19:53: no such host - verify you have provided the correct host and port and that the server is currently running.
[Pipeline] }
[Pipeline] // maskPasswords
Error when executing always post condition:
java.lang.Exception: Failed to perform oc login to test cluster OPENSHIFT_CONSOLE_URL
	at ocLoginToCluster.call(ocLoginToCluster.groovy:39)
	at ___cps.transform___(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:83)
	at org.codehaus.groovy.reflection.CachedConstructor.doConstructorInvoke(CachedConstructor.java:77)
	at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrap.callConstructor(ConstructorSite.java:84)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:60)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:235)