Bump coverage from 5.0.3 to 5.1

dependabot-preview[bot] · web-flow · commit 1d83c93269f1 · 2020-04-13T07:56:20.000Z
Bumps [coverage](https://github.com/nedbat/coveragepy) from 5.0.3 to 5.1. - [Release notes](https://github.com/nedbat/coveragepy/releases) - [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst) - [Commits](nedbat/coveragepy@coverage-5.0.3...coverage-5.1) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
diff --git a/requirements-test.txt b/requirements-test.txt
@@ -6,7 +6,7 @@
 tox==3.14.5
 flake8==3.7.9
 pytest==3.10.1,<4  # see https://github.com/html5lib/html5lib-python/pull/429
-coverage==5.0.3
+coverage==5.1
 pytest-expect==1.1.0
 mock==3.0.5
 
