diff --git a/tests/run-test.sh b/tests/run-test.sh
index c05d78d..5e9f2f4 100755
--- a/tests/run-test.sh
+++ b/tests/run-test.sh
@@ -7,6 +7,7 @@ git init
 make bots test/common
 
 # only install a subset to save time/space
+rm -f package-lock.json  # otherwise the command below installs *everything*, argh
 npm install chrome-remote-interface sizzle
 
 . /etc/os-release