Tests: Add mis-include test.

test_regress/t/t_config_include_bad.out

@@ -0,0 +1,9 @@
+%Error-UNSUPPORTED: t/t_config_include_bad.v:7:1: Unsupported: Verilog 2001-config reserved word not implemented; suggest you want `include instead: 'include'
+    7 | include "meant_to_tick_include.v"
+      | ^~~~~~~
+                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
+%Error: t/t_config_include_bad.v:7:9: syntax error, unexpected STRING
+    7 | include "meant_to_tick_include.v"
+      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
+        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
+%Error: Exiting due to

test_regress/t/t_config_include_bad.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# Copyright 2024 by Wilson Snyder. This program is free software; you
+# can redistribute it and/or modify it under the terms of either the GNU
+# Lesser General Public License Version 3 or the Perl Artistic License
+# Version 2.0.
+# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
+
+import vltest_bootstrap
+
+test.scenarios('linter')
+
+test.lint(verilator_flags2=["--lint-only -Wwarn-REALCVT"],
+          fails=True,
+          expect_filename=test.golden_filename)
+
+test.passes()

test_regress/t/t_config_include_bad.v

@@ -0,0 +1,10 @@
+// DESCRIPTION: Verilator: Verilog Test module
+//
+// This file ONLY is placed under the Creative Commons Public Domain, for
+// any use, without warranty, 2025 by Wilson Snyder.
+// SPDX-License-Identifier: CC0-1.0
+
+include "meant_to_tick_include.v"
+
+module t;
+endmodule

test_regress/t/t_dist_warn_coverage.py

@@ -110,7 +110,6 @@ for s in [
         'Unsupported: \'{} tagged patterns',
         'Unsupported: always[] (in property expression)',
         'Unsupported: assertion items in clocking blocks',
-        'Unsupported: default clocking identifier',
         'Unsupported: don\'t know how to deal with ',
         'Unsupported: eventually[] (in property expression)',
         'Unsupported: extern forkjoin',