use stricter error checking in uncached-npm-install.sh

Closes #13045

diff --git a/test-infra/uncached-npm-install.sh b/test-infra/uncached-npm-install.sh
index 1c56249862647d485f532a65f7c4c0e118ad68a4..49c75192baeda0448b5e0bc4dc56940b98ab2b02 100755 (executable)
--- a/test-infra/uncached-npm-install.sh
+++ b/test-infra/uncached-npm-install.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 cp test-infra/npm-shrinkwrap.canonical.json npm-shrinkwrap.json
 npm install
 rm npm-shrinkwrap.json