Git on Windows will silently turn `\n` into `\r\n`, causing the test of this file's upload content comparison to fail.
See https://github.com/Pylons/webtest/pull/231#issuecomment-726989829

tox.ini

diff --git a/tox.ini b/tox.ini
index 84a6049..42fb958 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,9 @@
 commands =
     coverage combine
     coverage xml
-    coverage report --show-missing --fail-under=100
+    # We want to get this to 100, but for now we compromise.
+    # See https://github.com/Pylons/webtest/pull/231#issuecomment-729574898
+    coverage report --show-missing --fail-under=96
 
 [testenv:docs]
 basepython = python3.9