diff --git a/tests/test_ec2/test_ec2_core.py b/tests/test_ec2/test_ec2_core.py
new file mode 100644
index 000000000..b698eec79
--- /dev/null
+++ b/tests/test_ec2/test_ec2_core.py
@@ -0,0 +1,8 @@
+import requests
+from moto import mock_ec2
+
+
+@mock_ec2
+def test_not_implemented_method():
+    requests.post.when.called_with("https://ec2.us-east-1.amazonaws.com/",
+        data={'Action':['foobar']}).should.throw(NotImplementedError)