changes to test_boolean.py

Author: Raisa Dzhamtyrova

pandas/tests/extension/test_boolean.py

@@ -112,7 +112,7 @@ def _check_op(self, s, op, other, op_name, exc=NotImplementedError):
                 # subtraction for bools raises TypeError (but not yet in 1.13)
                 if _np_version_under1p14:
                     pytest.skip("__sub__ does not yet raise in numpy 1.13")
-                msg = r"numpy boolean subtract, the \`-\` operator, is not supported.*"
+                msg = r"numpy boolean subtract, the \`-\` operator.*"
                 with pytest.raises(TypeError, match=msg):
                     op(s, other)