fix(helm): remove duplicate code from cmd/helm/history_test.go. Closes #3649
fix(helm): remove duplicate code from cmd/helm/history_test.go. Closes #3649

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

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