.env.test.erb in pliny-0.20.0

- old
+ new

@@ -1,7 +1,7 @@
 APP_NAME=<%= app_name %>
 DATABASE_URL=postgres:///<%= app_name %>-test
 DEPLOYMENT=test
-PLINY_ENV=test
+APP_ENV=test
 TZ=UTC
 RAISE_ERRORS=true
 FORCE_SSL=false