human
Solve the following python programming problem given the following code:
@pytest.mark.parametrize('str_prefix', ['u', ''])
def test_pytest_fail_notrace_non_ascii(testdir, str_prefix):
assistant
#Here is the Python code you requested.

    """Fix pytest.fail with pytrace=False with non-ascii characters (#1178).
    This tests with native and unicode strings containing non-ascii chars.
    """
    testdir.makepyfile((u"\n                                #    coding:    utf-8\n                                import    pytest\n\n                                def    test_hello():\n                                                pytest.fail(%s'oh    oh:    \u263a',    pytrace=False)\n                " % str_prefix))
    result = testdir.runpytest()
    if (sys.version_info[0] >= 3):
        result.stdout.fnmatch_lines(['*test_hello*', 'oh    oh:    \xe2\x98\xba'])
    else:
        result.stdout.fnmatch_lines(['*test_hello*', 'oh    oh:    *'])
    assert ('def    test_hello' not in result.stdout.str())