Set sys.ps1='' in tests to silence hypothesis

tests/conftest.py

@@ -1,3 +1,5 @@
+import sys
+
 import pytest
 
 from fuzz_lightyear.datastore import _ALL_POST_FUZZ_HOOKS_BY_OPERATION
@@ -27,3 +29,19 @@ def clear_caches():
     _ALL_POST_FUZZ_HOOKS_BY_TAG.clear()
     _RERUN_POST_FUZZ_HOOKS_BY_OPERATION.clear()
     _RERUN_POST_FUZZ_HOOKS_BY_TAG.clear()
+
+
+@pytest.fixture(autouse=True, scope='session')
+def trick_hypothesis():
+    """In theory we're not supposed to use hypothesis'
+    strategy.example(), but fuzz-lightyear isn't using
+    hypothesis in a normal way.
+
+    HACK: Thus, let's silence the warning that hypothesis
+    logs, making a lot easier to interpret fuzz-lightyear
+    test results.
+
+    Relevant hypothesis code:
+    https://github.com/HypothesisWorks/hypothesis/blob/83a98364d30b88085adf2a0d0a1f7ca1ba2d4ce5/hypothesis-python/src/hypothesis/strategies/_internal/strategies.py#L273
+    """
+    sys.ps1 = ''