ShellCheckBear tests fail on Windows

[jayvdb]

ShellCheck is emitting an extra result on Windows, breaking the tests.

__________________ SmallFileTest.test_valid_files ________________________
self = <coalib.testing.LocalBearTestHelper.LocalBearTest testMethod=test_valid_files>
    def test_valid_files(self):
        self.assertIsInstance(valid_files, (list, tuple))
        for file in valid_files:
            self.check_validity(self.uut,
                                file.splitlines(keepends=True),
                                filename,
                                valid=True,
                                force_linebreaks=force_linebreaks,
                                create_tempfile=create_tempfile,
>                               tempfile_kwargs=tempfile_kwargs)
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:401: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:174: in check_validity
    aspects=aspects,
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:287: in check_results
    self.assertComparableObjectsEqual(bear_output, results)
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:138: in assertComparableObjectsEqual
    self.assertEqual(observed_result, expected_result)
E   AssertionError: Lists differ: [<Result object(id=0x1dc6381484ed4c51aa434[494 chars]5b0>] != []
E   
E   First list contains 1 additional elements.
E   First extra element 0:
E   <Result object(id=0x1dc6381484ed4c51aa43403357d07624, origin='ShellCheckBear', affected_code=(<SourceRange object(start=<SourcePosition object(file='C:\\Users\\appveyor\\AppData\\Local\\Temp\\tmp2ihvhxxq', line=1, column=1) at 0x82f6eb0>, end=<SourcePosition object(file='C:\\Users\\appveyor\\AppData\\Local\\Temp\\tmp2ihvhxxq', line=1, column=1) at 0x82f6210>) at 0x82f6310>,), severity=MAJOR, confidence=100, message="Literal carriage return. Run script through tr -d '\\r' . [SC1017]", aspect=NoneType, applied_actions={}) at 0x82f65b0>
E   ...:174: in check_validity
....
E   - [<Result object(id=0x1dc6381484ed4c51aa43403357d07624, origin='ShellCheckBear', affected_code=(<SourceRange object(start=<SourcePosition object(file='C:\\Users\\appveyor\\AppData\\Local\\Temp\\tmp2ihvhxxq', line=1, column=1) at 0x82f6eb0>, end=<SourcePosition object(file='C:\\Users\\appveyor\\AppData\\Local\\Temp\\tmp2ihvhxxq', line=1, column=1) at 0x82f6210>) at 0x82f6310>,), severity=MAJOR, confidence=100, message="Literal carriage return. Run script through tr -d '\\r' . [SC1017]", aspect=NoneType, applied_actions={}) at 0x82f65b0>]
E   + []
---------------------------- Captured stdout call -----------------------------
ShellCheckBear: No output; skipping processing
ShellCheckBear: Exit code 1
tests\shell\ShellCheckBearTest.py ....F
_____________________ ShellCheckBearTest.test_valid_files _____________________
self = <coalib.testing.LocalBearTestHelper.LocalBearTest testMethod=test_valid_files>
    def test_valid_files(self):
        self.assertIsInstance(valid_files, (list, tuple))
        for file in valid_files:
            self.check_validity(self.uut,
                                file.splitlines(keepends=True),
                                filename,
                                valid=True,
                                force_linebreaks=force_linebreaks,
                                create_tempfile=create_tempfile,
>                               tempfile_kwargs=tempfile_kwargs)
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:401: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py    aspects=aspects,
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:287: in check_results
    self.assertComparableObjectsEqual(bear_output, results)
.tox\py34-pip-npm-gem-go-perl-php-java8-adhoc-win-check-noskip\lib\site-packages\coalib\testing\LocalBearTestHelper.py:138: in assertComparableObjectsEqual
    self.assertEqual(observed_result, expected_result)
E   AssertionError: Lists differ: [<Result object(id=0x2f9f84f76ba428a98b56e[2677 chars]310>] != []
E   
E   First list contains 5 additional elements.
E   First extra element 0:
E   <Result object(id=0x2f9f84f76ba428a98b56e4cc893067d, origin='ShellCheckBear', affected_code=(<SourceRange object(start=<SourcePosition object(file='C:\\Users\\appveyor\\AppData\\Local\\Temp\\tmpobgmucrz', line=1, column=1) at 0x7279430>, end=<SourcePosition object(file='C:\\Users\\appveyor\\AppData\\Local\\Temp\\tmpobgmucrz', line=1, column=1) at 0x7279170>) at 0x7279370>,), severity=MAJOR, confidence=100, message="Literal carriage return. Run script through tr -d '\\r' . [SC1017]", aspect=NoneType, applied_actions={}) at 0x7279e30>
E   
E   Diff is 2744 characters long. Set self.maxDiff to None to see it.