Remove spurious test import.
Remove spurious test import.

prometheus/prometheus,GoogleCloudPlatform/prometheus,yanghongkjxy/prometheus,brancz/prometheus,AlekSi/prometheus,kangwoo/prometheus,alileza/prometheus,Conorbro/prometheus,AlekSi/prometheus,alileza/prometheus,yanghongkjxy/prometheus,brancz/prometheus,yanghongkjxy/prometheus,Stackdriver/stackdriver-prometheus,GoogleCloudPlatform/prometheus,Gouthamve/prometheus,alileza/prometheus,Stackdriver/stackdriver-prometheus,kangwoo/prometheus,Conorbro/prometheus,Gouthamve/prometheus,prometheus/prometheus,GoogleCloudPlatform/prometheus,brancz/prometheus,prometheus/prometheus,kangwoo/prometheus,keegancsmith/prometheus,Gouthamve/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,keegancsmith/prometheus,Gouthamve/prometheus,Conorbro/prometheus,alileza/prometheus,keegancsmith/prometheus,keegancsmith/prometheus,kangwoo/prometheus,amorken/prometheus,brancz/prometheus,yanghongkjxy/prometheus,Stackdriver/stackdriver-prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,AlekSi/prometheus,amorken/prometheus,AlekSi/prometheus,keegancsmith/prometheus,alileza/prometheus,amorken/prometheus,Stackdriver/stackdriver-prometheus,amorken/prometheus,Conorbro/prometheus