tests/hghave.py

--- a/tests/hghave.py	Mon Nov 02 13:00:45 2015 +0000
+++ b/tests/hghave.py	Sat Oct 24 12:46:03 2015 +0100
@@ -463,3 +463,12 @@
 @check("slow", "allow slow tests")
 def has_slow():
     return os.environ.get('HGTEST_SLOW') == 'slow'
+
+@check("hypothesis", "is Hypothesis installed")
+def has_hypothesis():
+    try:
+        import hypothesis
+        hypothesis.given
+        return True
+    except ImportError:
+        return False