diff --git a/.drone.yml b/.drone.yml
index 3df5710..7e73e31 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,7 +20,7 @@ steps:
 - name: back-end test (PostgreSQL)
   image: sandervocke/postgres_node:12
   commands:
-  - cd /drone/src/server && ./test/test.sh --postgres --start-postgres-testcontainer
+  - cd /drone/src/server && ls -la . && ls -la node_modules && ./test/test.sh --postgres --start-postgres-testcontainer
 
 # ---
 # kind: pipeline
diff --git a/server/test/test.sh b/server/test/test.sh
index 3093795..5e2737d 100755
--- a/server/test/test.sh
+++ b/server/test/test.sh
@@ -3,6 +3,8 @@
 # Wrapper around the Jasmine test scripts.
 # Can test with different types of databases.
 
+set -e
+
 SCRIPT=`realpath $0`
 SCRIPTPATH=`dirname $SCRIPT`
 SOURCEPATH="$SCRIPTPATH/.."