[microtest] Remove prior production of CONTAINER_BUILDER before save.
@@ -15,6 +15,7 @@ topolvm.img: $(GO_FILES)
CGO_ENABLED=0 go build -o lvmd ./lvmd-fake
$(CONTAINER_BUILDER) build -t docker.io/library/lvmetrics:latest .
rm -f lvmetrics topolvm-scheduler lvmd
+ rm -f $@
$(CONTAINER_BUILDER) save -o $@ docker.io/library/lvmetrics:latest
test: topolvm.img
