chore: import upstream snapshot with attribution

mpmath/tests/test_module.py

@@ -0,0 +1,18 @@
+"""
+Modules checks, in particular some hacks for Issue #657
+"""
+
+from pytest import raises
+
+import mpmath
+
+
+def test_erroneous_module_setting():
+    with raises(AttributeError):
+        mpmath.dps = 64
+    with raises(AttributeError):
+        mpmath.prec = 192
+    with raises(AttributeError):
+        mpmath.pretty = True
+    with raises(AttributeError):
+        mpmath.trap_complex = True