fix helm unittests

src/main/helm/templates/deployment.yaml

@@ -195,7 +195,7 @@ spec:
             valueFrom:
               secretKeyRef:
                 name: muk-user-secret
-                key: passwordHash
+                key: password
                 optional: false
           - name: ozgcloud_muk_userName
             valueFrom:

src/test/helm/deployment_muk_test.yaml

@@ -68,7 +68,7 @@ tests:
             valueFrom:
               secretKeyRef:
                 name: muk-user-secret
-                key: passwordHash
+                key: password
                 optional: false
 
   - it: should not by default set muk values