Bump pytest-mock from 1.10.0 to 1.10.1 (#43)

Bumps [pytest-mock](https://github.com/pytest-dev/pytest-mock) from 1.10.0 to 1.10.1.
- [Release notes](https://github.com/pytest-dev/pytest-mock/releases)
- [Changelog](https://github.com/pytest-dev/pytest-mock/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-mock@v1.10.0...v1.10.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Pipfile

@@ -10,4 +10,4 @@ pyfxa = "==0.6.0"
 flake8 = "==3.7.5"
 flake8-isort = "==2.6.0"
 pytest = "==4.2.1"
-pytest-mock = "==1.10.0"
+pytest-mock = "==1.10.1"