+TEST_SANDBOX_OPTS='-a2 -f -m$MEM_LIMIT -t$TIME_LIMIT $LANG_SANDBOX_OPTS $BOX_EXTRAS'
+
+# Extra options to be overridden in task configuration
+BOX_EXTRAS=
+
+### Debugging and testing
+
+# DEBUG: Let `ev' run sample tests, too.
+#EV_SAMPLE=1
+
+# DEBUG: Run `pedant' on all input data. Set either to `1' or to pedant's options.
+#EV_PEDANT=1
+
+# DEBUG: Skip checks (useful when generating output files by running model solution)
+#EV_NOCHECK=1
+
+# DEBUG: Skip output filters (if you suspect they are buggy)
+#EV_NOFILTER=1
+
+### Variables overrides (most variables can be overridden for specific tests or source extensions):