diff -up ./t/04static.t.orig ./t/04static.t
--- ./t/04static.t.orig	2018-02-25 17:25:33.949568223 +0100
+++ ./t/04static.t	2018-02-25 17:26:02.862383679 +0100
@@ -30,7 +30,7 @@ ok( $res = request('http://localhost/fil
 is( $res->content, 'default', 'default handler for non-existent content ok' );
 
 # test unknown extension
-ok( $res = request('http://localhost/files/err.omg'), 'request ok' );
+ok( $res = request('http://localhost/files/err.abcdefgh'), 'request ok' );
 is( $res->content_type, 'text/plain', 'unknown extension as text/plain ok' );
 
 ok( $res = request('http://localhost/files/empty.txt'), 'request ok' );
diff -up ./t/07mime_types.t.orig ./t/07mime_types.t
--- ./t/07mime_types.t.orig	2018-02-27 21:15:42.097014743 +0100
+++ ./t/07mime_types.t	2017-08-02 18:28:00.000000000 +0200
@@ -11,11 +11,11 @@
 
 # test custom MIME types
 TestApp->config->{'Plugin::Static::Simple'}->{mime_types} = {
-    omg => 'holy/crap',
+    abcdefgh => 'holy/crap',
     gif => 'patents/are-evil',
 };
 
-ok( my $res = request('http://localhost/files/err.omg'), 'request ok' );
+ok( my $res = request('http://localhost/files/err.abcdefgh'), 'request ok' );
 is( $res->content_type, 'holy/crap', 'custom MIME type ok' );
 
 ok( $res = request('http://localhost/files/bad.gif'), 'request ok' );
diff -up ./t/lib/TestApp/root/files/err.abcdefgh.orig ./t/lib/TestApp/root/files/err.abcdefgh
--- /dev/null	2018-02-25 17:40:30.799852950 +0100
+++ ./t/lib/TestApp/root/files/err.abcdefgh	2018-02-25 17:27:06.929974749 +0100
@@ -0,0 +1,3 @@
+body {
+    background: #fff;
+}