PR: Avoid showing dialogs in IPython console tests to avoid segfaults

[ccordoba12]

Also, fix other tests and remove several skipif's on Windows.

[pep8speaks]

Hello @ccordoba12! Thanks for updating the PR.

• In the file spyder/plugins/tests/test_ipythonconsole.py, following are the PEP8 issues :

Line 153:80: E501 line too long (82 > 79 characters)
Line 172:80: E501 line too long (82 > 79 characters)
Line 260:80: E501 line too long (82 > 79 characters)
Line 298:80: E501 line too long (82 > 79 characters)
Line 739:80: E501 line too long (82 > 79 characters)

Comment last updated on March 05, 2018 at 01:46 Hours UTC