Test with Pytest 6

Author: dmtucker

tox.ini

@@ -3,19 +3,19 @@
 min_version = 3.7.0
 isolated_build = true
 envlist =
-    py35-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
-    py36-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
-    py37-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
-    py38-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.71, 0.7x}
+    py35-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
+    py36-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
+    py37-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
+    py38-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.71, 0.7x}
     publish
     static
 
 [gh-actions]
 python =
-    3.5: py35-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
-    3.6: py36-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
-    3.7: py37-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
-    3.8: py38-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x}-mypy{0.71, 0.7x}, publish, static
+    3.5: py35-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
+    3.6: py36-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
+    3.7: py37-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.50, 0.5x, 0.60, 0.6x, 0.70, 0.7x}
+    3.8: py38-pytest{3.5, 3.x, 4.0, 4.x, 5.0, 5.x, 6.0, 6.x}-mypy{0.71, 0.7x}, publish, static
 
 [testenv]
 deps =
@@ -56,6 +56,10 @@ deps =
     pytest5.0: pytest-xdist ~= 1.0, < 1.30.0  # https://github.com/pytest-dev/pytest-xdist/issues/472
     pytest5.x: pytest ~= 5.0
     pytest5.x: pytest-xdist ~= 1.0, < 1.30.0  # https://github.com/pytest-dev/pytest-xdist/issues/472
+    pytest6.0: pytest ~= 6.0.0
+    pytest6.0: pytest-xdist ~= 1.0, < 1.30.0  # https://github.com/pytest-dev/pytest-xdist/issues/472
+    pytest6.x: pytest ~= 6.0
+    pytest6.x: pytest-xdist ~= 1.0, < 1.30.0  # https://github.com/pytest-dev/pytest-xdist/issues/472
     mypy0.50: mypy >= 0.500, < 0.510
     mypy0.51: mypy >= 0.510, < 0.520
     mypy0.52: mypy >= 0.520, < 0.530