Updated test dependency

cburkert · cburkert · commit 6672cc4ba1bd · 2019-05-19T09:26:22.000+02:00
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -1,3 +1,4 @@
 mypy
 pylint
 pytest
+pytest-cov

-Original file line number
+Diff line change
@@ @@ -1,3 +1,4 @@ @@
 mypy
 pylint
 pytest
 +pytest-cov