MNT: Drop tests_require, since setup.py test is deprecated and we misspelled it anyway

Author: effigies

setup.cfg

@@ -10,15 +10,6 @@ description = TODO
 python_requires = >=3.7
 install_requires =
     pydra >= 0.6.2
-
-test_requires =
-    pytest >= 4.4.0
-    pytest-cov
-    pytest-env
-    pytest-xdist
-    pytest-rerunfailures
-    codecov
-
 packages = find_namespace:
 
 [options.packages.find]

setup.py

@@ -8,8 +8,9 @@
 
 # Give setuptools a hint to complain if it's too old a version
 # 30.3.0 allows us to put most metadata in setup.cfg
+# 40.1.0 enables the `find_namespace:` directive
 # Should match pyproject.toml
-SETUP_REQUIRES = ["setuptools >= 30.3.0"]
+SETUP_REQUIRES = ["setuptools >= 40.1.0"]
 # This enables setuptools to install wheel on-the-fly
 SETUP_REQUIRES += ["wheel"] if "bdist_wheel" in sys.argv else []