Skip all hypothesis health checks by default in CI runs. (rapidsai#5090)

To avoid non-deterministic sporadic failures.

Authors:
  - Carl Simon Adorf (https://github.com/csadorf)
  - AJ Schmidt (https://github.com/ajschmidt8)
  - Dante Gama Dessavre (https://github.com/dantegd)

Approvers:
  - William Hicks (https://github.com/wphicks)

URL: rapidsai#5090

python/cuml/tests/conftest.py

@@ -34,16 +34,22 @@
 # Add the import here for any plugins that should be loaded EVERY TIME
 pytest_plugins = ("cuml.testing.plugins.quick_run_plugin")
 
+CI = os.environ.get("CI") in ("true", "1")
+
 
 # Configure hypothesis profiles
 
+HEALTH_CHECKS_SUPPRESSED_BY_DEFAULT = \
+    hypothesis.HealthCheck.all() if CI else [
+        hypothesis.HealthCheck.data_too_large,
+        hypothesis.HealthCheck.too_slow,
+    ]
+
 hypothesis.settings.register_profile(
     name="unit",
     parent=hypothesis.settings.get_profile("default"),
     max_examples=20,
-    suppress_health_check=[
-        hypothesis.HealthCheck.data_too_large,
-    ],
+    suppress_health_check=HEALTH_CHECKS_SUPPRESSED_BY_DEFAULT,
 )
 
 hypothesis.settings.register_profile(