Add .env.testing file for running tests

backend/.env.testing.example

@@ -0,0 +1,12 @@
+# Copy this file to .env.testing and edit it to match your preferences
+# Use it in conjunction with your normal env:
+# source .env; source .env.testing
+# Before running your tests.
+# This way, you can keep only necessary overrides in .env.testing
+
+RAY_ENABLED=False
+POSTGRES_DB=dwts-testing
+
+# When running in backend/src, add that folder to the pythonpath
+# for pytest to discover some of our packages.
+PYTHONPATH=.

backend/.gitignore

@@ -12,6 +12,7 @@ backend/logs
 
 # Local configuration
 .env
+.env.testing
 
 # npm stuff for python readability
 src/node_modules