fix badge

Author: dwhswenson

README.md

@@ -1,5 +1,5 @@
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/openpathsampling/ops_additional_examples/HEAD)
-![Test Suite](https://github.com/openpathsampling/ops_additional_examples/workflows/Test%20Suite/badge.svg)
+[![Test Suite](https://github.com/openpathsampling/ops_additional_examples/workflows/Test%20Suite/badge.svg)](https://github.com/openpathsampling/ops_additional_examples/actions/workflows/tests.yml)
 
 # Additional Examples for OpenPathSampling