chore(tests): clean out coverage results first

Author: thekaveman

tests/pytest/run.sh

@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 set -eu
 
+# clean out old coverage results
+rm -rf static/coverage .coverage*
+
 # run normal pytests
 coverage run -m pytest
 
-# clean out old coverage results
-rm -rf static/coverage
-
 coverage html --directory static/coverage