diff --git a/test_regress/t/t_class_scope_import.out b/test_regress/t/t_class_scope_import_bad.out
similarity index 63%
rename from test_regress/t/t_class_scope_import.out
rename to test_regress/t/t_class_scope_import_bad.out
index 0429ee0bc..d9fe115e4 100644
--- a/test_regress/t/t_class_scope_import.out
+++ b/test_regress/t/t_class_scope_import_bad.out
@@ -1,4 +1,4 @@
-%Error: t/t_class_scope_import.v:11:14: Import statement directly within a class scope is illegal
+%Error: t/t_class_scope_import_bad.v:11:14: Import statement directly within a class scope is illegal
    11 |    import pkg::*;
       |              ^~
         ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
diff --git a/test_regress/t/t_class_scope_import.py b/test_regress/t/t_class_scope_import_bad.py
similarity index 100%
rename from test_regress/t/t_class_scope_import.py
rename to test_regress/t/t_class_scope_import_bad.py
diff --git a/test_regress/t/t_class_scope_import.v b/test_regress/t/t_class_scope_import_bad.v
similarity index 100%
rename from test_regress/t/t_class_scope_import.v
rename to test_regress/t/t_class_scope_import_bad.v
diff --git a/test_regress/t/t_lint_implicit_type_bad.out b/test_regress/t/t_lint_implicit_type_bad.out
index 64d7659f0..80984654a 100644
--- a/test_regress/t/t_lint_implicit_type_bad.out
+++ b/test_regress/t/t_lint_implicit_type_bad.out
@@ -1,5 +1,5 @@
-%Error: t/t_lint_implicit_type_bad.v:11:11: syntax error, unexpected IDENTIFIER-for-type
-   11 |    assign imp_type_conflict = 1'b1;
-      |           ^~~~~~~~~~~~~~~~~
+%Error: t/t_lint_implicit_type_bad.v:15:11: syntax error, unexpected IDENTIFIER-for-type
+   15 |    assign imp_typedef_conflict = 1'b1;
+      |           ^~~~~~~~~~~~~~~~~~~~
         ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
 %Error: Exiting due to
diff --git a/test_regress/t/t_lint_implicit_type_bad.py b/test_regress/t/t_lint_implicit_type_bad.py
index c0608225e..e15e088e1 100755
--- a/test_regress/t/t_lint_implicit_type_bad.py
+++ b/test_regress/t/t_lint_implicit_type_bad.py
@@ -11,7 +11,8 @@ import vltest_bootstrap
 
 test.scenarios('vlt')
 
-test.lint(verilator_flags2=["--lint-only -Wall -Wno-DECLFILENAME"],
+# --debug-check adds extra internal message, otherwise golden log would vary
+test.lint(verilator_flags2=["--lint-only --debug-check -Wall -Wno-DECLFILENAME"],
           fails=True,
           expect_filename=test.golden_filename)
 
diff --git a/test_regress/t/t_lint_implicit_type_bad.v b/test_regress/t/t_lint_implicit_type_bad.v
index 24a373808..3262dd6d4 100644
--- a/test_regress/t/t_lint_implicit_type_bad.v
+++ b/test_regress/t/t_lint_implicit_type_bad.v
@@ -4,9 +4,15 @@
 // any use, without warranty, 2024 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
+class imp_Cls_conflict;
+endclass
+
 module t;
-   typedef int imp_type_conflict;
+   typedef int imp_typedef_conflict;
+   localparam type imp_PARAM_conflict;
 
 `default_nettype wire
-   assign imp_type_conflict = 1'b1;
+   assign imp_typedef_conflict = 1'b1;
+   assign imp_Cls_conflict = 1'b1;
+   assign imp_PARAM_conflict = 1'b1;
 endmodule