fix(helm): remove duplication in tests of repo-add command
fix(helm): remove duplication in tests of repo-add command

Signed-off-by: Arash Deshmeh <43f13bf9176a6d2ff9d5707b429cefab57b8a40c@ca.ibm.com>

adamreese/deployment-manager,SlickNik/helm,adamreese/helm,bacongobbler/helm,helm/helm,eicnix/helm,adamreese/helm,technosophos/deployment-manager,technosophos/deployment-manager,SlickNik/helm,michelleN/deployment-manager,technosophos/deployment-manager,technosophos/deployment-manager,technosophos/k8s-helm,adamreese/deployment-manager,michelleN/deployment-manager,technosophos/k8s-helm,appscode/helm,technosophos/deployment-manager,adamreese/deployment-manager,bacongobbler/helm,helm/helm,adamreese/deployment-manager,fibonacci1729/helm,fibonacci1729/helm,michelleN/deployment-manager,appscode/helm,michelleN/deployment-manager,eicnix/helm,jascott1/helm,adamreese/deployment-manager,jascott1/helm