Increase default IsNow() delta (#746)

Author: dmontagu

tests/conftest.py

@@ -30,7 +30,14 @@
     def IsNow(*args: Any, **kwargs: Any) -> datetime: ...
     def IsFloat(*args: Any, **kwargs: Any) -> float: ...
 else:
-    from dirty_equals import IsFloat, IsNow
+    from dirty_equals import IsFloat, IsNow as _IsNow
+
+    def IsNow(*args: Any, **kwargs: Any):
+        # Increase the default value of `delta` to 10 to reduce test flakiness on overburdened machines
+        if 'delta' not in kwargs:
+            kwargs['delta'] = 10
+        return _IsNow(*args, **kwargs)
+
 
 try:
     from logfire.testing import CaptureLogfire