add EnvironmentVarGuard to test docs

tony · tony · commit 60d8dd91b770 · 2018-04-07T08:24:59.000-05:00
diff --git a/doc/api.rst b/doc/api.rst
@@ -117,3 +117,5 @@ Test tools
 .. automethod:: libtmux.test.temp_session
 
 .. automethod:: libtmux.test.temp_window
+
+.. autoclass:: libtmux.test.EnvironmentVarGuard
