@@ -77,7 +77,7 @@ build: false
 
 test_script:
     -   IF "%IS_CYGWIN%" == "yes" (
-            nosetests -v || echo "Ignoring failures." & EXIT /B 0
+            nosetests -v
         ) ELSE (
             IF "%PYTHON_VERSION%" == "3.5" (
                 nosetests -v --with-coverage
 
@@ -26,7 +26,7 @@
     GitCommandError,
     CheckoutError,
 )
-from git.compat import string_types, is_win
+from git.compat import string_types, is_win, PY3
 from git.exc import (
     HookExecutionError,
     InvalidGitRepositoryError
@@ -49,6 +49,7 @@
 from gitdb.base import IStream
 
 import os.path as osp
+from git.cmd import Git
 
 
 class TestIndex(TestBase):
@@ -405,6 +406,12 @@ def _count_existing(self, repo, files):
         return existing
     # END num existing helper
 
+    @skipIf(HIDE_WINDOWS_KNOWN_ERRORS and Git.is_cygwin(),
+            """FIXME: File "C:\projects\gitpython\git\test\test_index.py", line 642, in test_index_mutation
+                self.assertEqual(fd.read(), link_target)
+                AssertionError: '!<symlink>\xff\xfe/\x00e\x00t\x00c\x00/\x00t\x00h\x00a\x00t\x00\x00\x00'
+                != '/etc/that'
+                """)
     @with_rw_repo('0.1.6')
     def test_index_mutation(self, rw_repo):
         index = rw_repo.index
@@ -823,7 +830,7 @@ def test_index_bare_add(self, rw_bare_repo):
             asserted = True
         assert asserted, "Adding using a filename is not correctly asserted."
 
-    @skipIf(HIDE_WINDOWS_KNOWN_ERRORS and sys.version_info[:2] == (2, 7), r"""
+    @skipIf(HIDE_WINDOWS_KNOWN_ERRORS and not PY3, r"""
         FIXME:  File "C:\projects\gitpython\git\util.py", line 125, in to_native_path_linux
         return path.replace('\\', '/')
         UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 0: ordinal not in range(128)""")
 
@@ -411,6 +411,14 @@ def test_blame_complex_revision(self, git):
         self.assertEqual(len(res), 1)
         self.assertEqual(len(res[0][1]), 83, "Unexpected amount of parsed blame lines")
 
+    @skipIf(HIDE_WINDOWS_KNOWN_ERRORS and Git.is_cygwin(),
+            """FIXME: File "C:\projects\gitpython\git\cmd.py", line 671, in execute
+                    raise GitCommandError(command, status, stderr_value, stdout_value)
+                GitCommandError: Cmd('git') failed due to: exit code(128)
+                  cmdline: git add 1__��ava verb��ten 1_test _myfile 1_test_other_file
+                          1_��ava-----verb��ten
+                  stderr: 'fatal: pathspec '"1__çava verböten"' did not match any files'
+                """)
     @with_rw_repo('HEAD', bare=False)
     def test_untracked_files(self, rwrepo):
         for run, (repo_add, is_invoking_git) in enumerate((
 
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 # This module is part of GitPython and is released under
 # the BSD License: http://www.opensource.org/licenses/bsd-license.php
 import os
@@ -6,24 +7,34 @@
 
 import git
 from git.cmd import Git
-from git.compat import string_types, is_win
+from git.compat import (
+    string_types,
+    is_win,
+)
 from git.exc import (
     InvalidGitRepositoryError,
     RepositoryDirtyError
 )
 from git.objects.submodule.base import Submodule
-from git.objects.submodule.root import RootModule, RootUpdateProgress
+from git.objects.submodule.root import (
+    RootModule,
+    RootUpdateProgress,
+)
 from git.repo.fun import (
     find_git_dir,
-    touch
+    touch,
 )
 from git.test.lib import (
     TestBase,
-    with_rw_repo
+    with_rw_repo,
 )
 from git.test.lib import with_rw_directory
-from git.util import HIDE_WINDOWS_KNOWN_ERRORS
-from git.util import to_native_path_linux, join_path_native
+from git.util import (
+    to_native_path_linux,
+    join_path_native,
+    HIDE_WINDOWS_KNOWN_ERRORS,
+)
+
 import os.path as osp
 
 
@@ -673,6 +684,13 @@ def test_add_empty_repo(self, rwdir):
                                   url=empty_repo_dir, no_checkout=checkout_mode and True or False)
         # end for each checkout mode
 
+    @skipIf(HIDE_WINDOWS_KNOWN_ERRORS and Git.is_cygwin(),
+            """FIXME: ile "C:\projects\gitpython\git\cmd.py", line 671, in execute
+                raise GitCommandError(command, status, stderr_value, stdout_value)
+            GitCommandError: Cmd('git') failed due to: exit code(128)
+              cmdline: git add 1__Xava verbXXten 1_test _myfile 1_test_other_file 1_XXava-----verbXXten
+              stderr: 'fatal: pathspec '"1__çava verböten"' did not match any files'
+                """)
     @with_rw_directory
     def test_git_submodules_and_add_sm_with_new_commit(self, rwdir):
         parent = git.Repo.init(osp.join(rwdir, 'parent'))