Tests fails with checkdocs

[mtelka]

If there is checkdocs pytest plugin installed the following tests fails:

FAILED tests/test_black.py::test_exclude_folder - AssertionError: assert {'er...
FAILED tests/test_black.py::test_exclude - AssertionError: assert {'errors': ...
FAILED tests/test_black.py::test_include - AssertionError: assert {'errors': ...

As a workaround I use the following patch:

--- pytest-black-0.3.12/tests/test_black.py.orig
+++ pytest-black-0.3.12/tests/test_black.py
@@ -92,7 +92,7 @@
     # Rename pyproject.toml ¯\_(ツ)_/¯
     testdir.run("mv", "test_exclude.pyproject.toml", "pyproject.toml")
 
-    result = testdir.runpytest("--black")
+    result = testdir.runpytest("--black", "-p", "no:checkdocs")
     result.assert_outcomes(skipped=1, passed=0)
 
 
@@ -129,7 +129,7 @@
     # Rename pyproject.toml ¯\_(ツ)_/¯
     testdir.run("mv", "test_exclude_folder.pyproject.toml", "pyproject.toml")
 
-    result = testdir.runpytest("--black")
+    result = testdir.runpytest("--black", "-p", "no:checkdocs")
     result.assert_outcomes(skipped=1, passed=0)
 
 
@@ -156,7 +156,7 @@
     # Rename pyproject.toml ¯\_(ツ)_/¯
     testdir.run("mv", "test_include.pyproject.toml", "pyproject.toml")
 
-    result = testdir.runpytest("--black")
+    result = testdir.runpytest("--black", "-p", "no:checkdocs")
     result.assert_outcomes(skipped=0, passed=1)