Patch from mdm@google.com...

third_party/xdg-utils/tests/xdg-mime/t.22-system_install_missing_file

+#!/bin/bash
+
+. "$XDG_TEST_DIR/include/testassertions.sh"
+
+. "$XDG_TEST_DIR/include/testcontrol.sh"
+
+test_system_install_missing_file() {
+INPUT_FILE='non-existant-file.xml'
+
+test_start "$FUNCNAME: install mime type as system with missing file $INPUT_FILE"
+test_purpose "Verify that the correct error is generated when the mime file is missing."
+
+## Check dependencies
+test_init
+
+require_root
+set_no_display
+
+assert_nofile "$INPUT_FILE"
+
+## Main test
+test_procedure
+
+assert_exit 2 xdg-mime install --mode system "$INPUT_FILE"
+assert_stderr
+assert_nostdout
+
+test_result 
+}
+
+run_test test_system_install_missing_file