Add tests documentation to docs page

nixos-modules/static-page/test.py

@@ -37,7 +37,7 @@ def test(subtest, webserver):
         expect_http_content(webserver, indexContent,
                             "http://localhost/index.html")
 
-    with subtest("example.com is a hosts alias and redirect"):
+    with subtest("example.com is in hosts file and a redirect to localhost"):
         webserver.succeed("grep example.com /etc/hosts")
 
         url = "http://example.com/index.html"