refactor: Don't override source in test script

l0b0 · l0b0 · commit d83adc31a8bc · 2021-06-29T16:01:06.000+12:00
It's already configured in .coveragerc.
diff --git a/scripts/test b/scripts/test
@@ -11,5 +11,5 @@ echo " -- RUNNING UNIT TESTS --"
 echo
 
 # Test suite with coverage enabled
-coverage run --source=pystac/ -m unittest discover tests/
+coverage run -m unittest discover tests
 coverage xml
