CI: suppress warnings (pandas-dev#41003)

Author: jbrockmendel

setup.cfg

@@ -45,7 +45,7 @@ pandas_plotting_backends =
 [options.extras_require]
 test =
     hypothesis>=3.58
-    pytest>=6.0
+    pytest>=5.0.1
     pytest-xdist
 
 [options.package_data]
@@ -127,6 +127,19 @@ exclude =
     # https://github.com/pandas-dev/pandas/pull/38837#issuecomment-752884156
     doc/source/getting_started/comparison/includes/*.rst
 
+[tool:pytest]
+# sync minversion with setup.cfg & install.rst
+minversion = 5.0.1
+testpaths = pandas
+doctest_optionflags = NORMALIZE_WHITESPACE IGNORE_EXCEPTION_DETAIL ELLIPSIS
+addopts = --strict-data-files
+xfail_strict = True
+filterwarnings =
+    error:Sparse:FutureWarning
+    error:The SparseArray:FutureWarning
+    ignore:unclosed transport <asyncio.sslproto:ResourceWarning
+junit_family = xunit2
+
 [codespell]
 ignore-words-list = ba,blocs,coo,hist,nd,sav,ser
 ignore-regex = https://(\w+\.)+