diff --git a/client/test.sh b/client/test.sh
index 7dee978..5e144af 100644
--- a/client/test.sh
+++ b/client/test.sh
@@ -1,10 +1,25 @@
 #!/usr/bin/env bash
+# https://aweirdimagination.net/2020/06/28/kill-child-jobs-on-script-exit/
+cleanup() {
+    pkill -P $$
+}
+
+for sig in INT QUIT HUP TERM; do
+  trap "
+    cleanup
+    trap - $sig EXIT
+    kill -s $sig "'"$$"' "$sig"
+done
+trap cleanup EXIT
+
+set -euo pipefail
+shopt -s inherit_errexit
+
 (cd ..; cargo b --bin epoxy-server) 
 ../target/debug/epoxy-server &
 server_pid=$!
 sleep 1
 echo "server_pid: $server_pid"
 
-cargo test --target wasm32-unknown-unknown
-
-kill $server_pid
+GECKODRIVER=$(which geckodriver) cargo test --target wasm32-unknown-unknown
+CHROMEDRIVER=$(which chromedriver) cargo test --target wasm32-unknown-unknown