Ignore inspect.getargspec() warning during tests.

https://github.com/pytest-dev/pytest-bdd/issues/153

tests/conftest.py

@@ -335,6 +335,10 @@ def py_proc():
 @pytest.yield_fixture(autouse=True)
 def fail_tests_on_warnings():
     warnings.simplefilter('error')
+    # https://github.com/pytest-dev/pytest-bdd/issues/153
+    warnings.filterwarnings('ignore', message=r'inspect.getargspec\(\) is '
+                            r'deprecated, use inspect.signature\(\) instead',
+                            category=DeprecationWarning)
     yield
     warnings.resetwarnings()
 

tests/test_conftest.py

@@ -21,6 +21,7 @@
 
 
 import warnings
+import inspect
 
 import pytest
 
@@ -38,3 +39,8 @@ def test_no_qapp(request):
 def test_fail_on_warnings():
     with pytest.raises(PendingDeprecationWarning):
         warnings.warn('test', PendingDeprecationWarning)
+
+
+def test_getargspec():
+    """Make sure the getargspec DeprecationWarning gets ignored."""
+    inspect.getargspec(lambda: None)