PyUP - Dependency Update Scheduled daily dependency update on tuesday (#820)

* Pin pytest-cov to latest version 2.6.0

* Update requirements_test.txt

* Update CHANGELOG.md

Author: pyup-bot

CHANGELOG.md

@@ -83,10 +83,11 @@ To release a new version, please update the changelog as followed:
 
 ### Dependencies Update
 - autopep8>=1.3,<1.4 => autopep8>=1.3,<1.5 (PR #815)
+- pytest-cov>=2.5,<2.6 => pytest-cov>=2.5,<2.7 (PR #820)
 
 ### Contributors
 
-- @DEKHTIARJonathan: #815
+- @DEKHTIARJonathan: #815 #820
 
 ## [1.10.0] - 2018-09-02
 

requirements/requirements_test.txt

@@ -3,7 +3,7 @@ pycodestyle>=2.0,<2.5
 pydocstyle>=2.1,<2.2
 pytest>=3.6,<3.8
 pytest-cache>=1.0,<1.1
-pytest-cov>=2.5,<2.6
+pytest-cov>=2.5,<2.7
 pytest-xdist>=1.22,<1.24
 sphinx>=1.7,<1.8
 yapf>=0.22,<0.24