diff --git a/tests/README.md b/tests/README.md
index 9b65d433..01b6b0af 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -9,6 +9,13 @@ To run the tests, do the following from the main source folder:
 
 Running the tests this way allows the library to be tested without installing it.
 
+## Skipped Tests ##
+A few tests will look for certain environment variables to determine if they should run.
+
+Some of the export tests rely on photos in my local library and will look for `OSXPHOTOS_TEST_EXPORT=1` to determine if they should run.
+
+One test for locale does not run on GitHub's automated workflow and will look for `OSXPHOTOS_TEST_LOCALE=1` to determine if it should be run.  If you want to run this test, set the environment variable.  
+
 ## Attribution ##
 These tests utilize a test Photos library. The test library is populated with photos from [flickr](https://www.flickr.com).  All images used are licensed under Creative Commons 2.0 Attribution [license](https://creativecommons.org/licenses/by/2.0/).