registry is a separate setting, not part of the repo

.drone.yml

@@ -6,17 +6,22 @@ steps:
 - name: test
   image: golang
   commands:
+  - go test -v
   - go build
   resources:
     limits:
       cpu: 1
       memory: 100MiB
+    requests:
+      cpu: 1
+      memory: 50MiB
 
 - name: docker  
   #image: plugins/docker
   image: banzaicloud/drone-kaniko
   settings:
-    repo: harbor.ntppool.org/drone-test/drone-test
+    repo: drone-test/drone-test
+    registry: harbor.ntppool.org
     tags: latest,${DRONE_COMMIT_SHA}
     #auto_tag: true
     username: