Set hypothesis healthcheck (pandas-dev#22597)

Author: alimcmaster1

pandas/conftest.py

@@ -9,6 +9,11 @@
 from pandas.compat import PY3
 import pandas.util._test_decorators as td
 
+import hypothesis
+hypothesis.settings.suppress_health_check = (hypothesis.HealthCheck.too_slow,)
+# HealthCheck.all() to disable all health checks
+# https://hypothesis.readthedocs.io/en/latest/healthchecks.html
+
 
 def pytest_addoption(parser):
     parser.addoption("--skip-slow", action="store_true",