[packages/python-pytest] (5 commits) ...- merged PYTEST_4 to master; added python3/pytest 5 notes

[qboosh]

Summary of changes:

  aa356db... - up to 4.6.9 (latest for python 2); some tests fail, savin (*)
  7359165... - updated to 4.6.11 - updated BRs and tests patch; now test (*)
  9179728... - disable cache write fail tests causing unreliable results (*)
  e920318... - disable also tests requiring ptys (not available on build (*)
  44f7199... - merged PYTEST_4 to master; added python3/pytest 5 notes

(*) This commit already existed in another branch; no separate mail sent