exclude terminal tests on Windows

appveyor.yml

@@ -23,4 +23,4 @@ install:
   - cmd: pip install .[test]
 
 test_script:
-  - nosetests -v notebook
+  - nosetests --exclude-dir notebook\terminal -v notebook

setup.py

@@ -157,6 +157,7 @@ extras_require = {
     ':sys_platform != "win32"': ['terminado>=0.3.3'],
     'test:python_version == "2.7"': ['mock'],
     'test': ['nose', 'coverage', 'requests', 'nose_warnings_filters'],
+    'test:sys_platform == "win32"': ['nose-exclude'],
 }
 
 if 'setuptools' in sys.modules: