escape non-utf8 char

Escape non-utf8 char in the test.  

Caused python3 to fail miserably:

    3>  Traceback (most recent call last):
    3>    File "generate.py", line 235, in <module>
    3>      suite.load(options.force)
    3>    File "generate.py", line 180, in load
    3>      if not self.modules[name].refresh(path):
    3>    File "generate.py", line 117, in refresh
    3>      raw_content = fp.read()
    3>    File "C:\Program Files\Python33\lib\encodings\cp1252.py", line 23, in decode
    3>      return codecs.charmap_decode(input,self.errors,decoding_table)[0]
    3>  UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 656: character maps to <undefined>
    3>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V110\Microsoft.CppCommon.targets(172,5): error MSB6006: "cmd.exe" exited with code 1.