Add versions to debug js issues

Author: willkg

tox.ini

@@ -22,7 +22,11 @@ deps =
 allowlist_externals =
     env
     npm
-commands_pre = npm install --no-save [email protected] [email protected]
+    node
+commands_pre =
+    node --version
+    npm --version
+    npm install --no-save [email protected] [email protected]
 # Contrary to the tox docs, setenv's changes to $PATH are not visible inside
 # any commands we call. I hack around this with env:
 commands =