Fix the max-ncache-ttl tests

bin/tests/system/checkconf/bad-maxncachettl-2.conf

@@ -0,0 +1,14 @@
+/*
+ * 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.
+ */
+
+view two {
+	max-ncache-ttl 604801;
+};

bin/tests/system/checkconf/bad-maxncachettl-3.conf

@@ -0,0 +1,17 @@
+/*
+ * 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.
+ */
+
+view three {
+	max-ncache-ttl 4000000000;
+};
+view four {
+	max-ncache-ttl -1;
+};

bin/tests/system/checkconf/bad-maxncachettl-4.conf

@@ -0,0 +1,14 @@
+/*
+ * 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.
+ */
+
+view four {
+	max-ncache-ttl -1;
+};

bin/tests/system/checkconf/good-maxncachettl.conf

@@ -16,7 +16,7 @@ view two {
 	max-ncache-ttl 86400;
 };
 view three {
-	max-ncache-ttl 4000000000;
+	max-ncache-ttl 604800;
 };
 view four {
 	max-ncache-ttl 3600s;