reject the use of trusted-keys and managed-keys for the same name

bin/tests/system/checkconf/bad-duplicate-key.conf

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnssec-validation yes;
+};
+
+managed-keys {
+	example. initial-key 257 3 8 "AwEAAawvFp8GlBx8Qt6yaIqXkDe+nMkSk2HkTAG7qlVBo++AQwZ1j3Xl
+		25IN4jsw0VTMbKUbafw9DYsVzztIwx1sNkKRLo6qP9SSkBL8RicQaafG
+		tURtsYI3oqte5qqLve1CUpRD8J06Pg1xkOxsDlz9sQAyiQrOyvMbykJY
+		kYrFYGLzYAgl/JtMyVVYlBl9pqxQuAPKYPOuO1axaad/wLN3+wTy/hcJ
+		fpvJpqzXlDF9bI5RmpoX/7geZ06vpcYJEoT0xkkmPlEl0ZjEDrm/WIaS
+		WG0/CEDpHcOXFz4OEczMVpY+lnuFfKybwF1WHFn2BwVEOS6cMM6ukIjI
+		NQyrszHhWUU=";
+};
+
+trusted-keys {
+	example. 257 3 8 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbod
+		y0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQ
+		YfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX
+		2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuw
+		E60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/
+		Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn
+		6zqCkwuMmrU=";
+};