diff --git a/test_regress/t/t_inside_unbounded.v b/test_regress/t/t_inside_unbounded.v
index 788b489b8..d7a5bfdd2 100644
--- a/test_regress/t/t_inside_unbounded.v
+++ b/test_regress/t/t_inside_unbounded.v
@@ -4,59 +4,59 @@
 // any use, without warranty, 2026.
 // SPDX-License-Identifier: CC0-1.0
 
-module t_inside_unbounded;
+module t;
   initial begin
     int value;
 
     // Test [$:100] - should match minimum to 100
     value = 50;
-    if (!(value inside {[$:100]})) $stop;
+    if (!(value inside {[$ : 100]})) $stop;
 
     value = 100;
-    if (!(value inside {[$:100]})) $stop;
+    if (!(value inside {[$ : 100]})) $stop;
 
     value = 101;
-    if (value inside {[$:100]}) $stop;  // Should NOT match
+    if (value inside {[$ : 100]}) $stop;  // Should NOT match
 
     // Test [0:$] - should match 0 to maximum
     value = 50;
-    if (!(value inside {[0:$]})) $stop;
+    if (!(value inside {[0 : $]})) $stop;
 
     value = 0;
-    if (!(value inside {[0:$]})) $stop;
+    if (!(value inside {[0 : $]})) $stop;
 
     // Test [100:$] - should match 100 to maximum
     value = 100;
-    if (!(value inside {[100:$]})) $stop;
+    if (!(value inside {[100 : $]})) $stop;
 
     value = 200;
-    if (!(value inside {[100:$]})) $stop;
+    if (!(value inside {[100 : $]})) $stop;
 
     value = 50;
-    if (value inside {[100:$]}) $stop;  // Should NOT match
+    if (value inside {[100 : $]}) $stop;  // Should NOT match
 
     // Test mixed with other ranges
     value = 5;
-    if (!(value inside {[$:10], [90:$]})) $stop;
+    if (!(value inside {[$ : 10], [90 : $]})) $stop;
 
     value = 95;
-    if (!(value inside {[$:10], [90:$]})) $stop;
+    if (!(value inside {[$ : 10], [90 : $]})) $stop;
 
     value = 50;
-    if (value inside {[$:10], [90:$]}) $stop;  // Should NOT match
+    if (value inside {[$ : 10], [90 : $]}) $stop;  // Should NOT match
 
     // Test with function
-    if (!(get_value(50) inside {[$:100]})) $stop;
-    if (!(get_value(50) inside {[0:$]})) $stop;
-    if (get_value(50) inside {[100:$]}) $stop;  // Should NOT match
+    if (!(get_value(50) inside {[$ : 100]})) $stop;
+    if (!(get_value(50) inside {[0 : $]})) $stop;
+    if (get_value(50) inside {[100 : $]}) $stop;  // Should NOT match
 
     // Test with increment
     value = 49;
-    if (!(++value inside {[$:100]})) $stop;  // value becomes 50
+    if (!(++value inside {[$ : 100]})) $stop;  // value becomes 50
     if (value != 50) $stop;
 
     value = -1;
-    if (!(++value inside {[0:$]})) $stop;  // value becomes 0
+    if (!(++value inside {[0 : $]})) $stop;  // value becomes 0
     if (value != 0) $stop;
 
     $write("*-* All Finished *-*\n");
diff --git a/test_regress/t/t_inside_unbounded_bad.v b/test_regress/t/t_inside_unbounded_bad.v
deleted file mode 100644
index 47d9cef70..000000000
--- a/test_regress/t/t_inside_unbounded_bad.v
+++ /dev/null
@@ -1,15 +0,0 @@
-// DESCRIPTION: Verilator: Test for unsupported [$:$] in inside range
-//
-// This file ONLY is placed under the Creative Commons Public Domain, for
-// any use, without warranty, 2026.
-// SPDX-License-Identifier: CC0-1.0
-
-module t_inside_unbounded_bad;
-  initial begin
-    int value;
-    value = 50;
-    // [$:$] should warn - always true
-    if (value inside {[$:$]}) $display("PASS");
-    $finish;
-  end
-endmodule
diff --git a/test_regress/t/t_inside_unbounded_nowarn.py b/test_regress/t/t_inside_unbounded_both.py
similarity index 100%
rename from test_regress/t/t_inside_unbounded_nowarn.py
rename to test_regress/t/t_inside_unbounded_both.py
diff --git a/test_regress/t/t_inside_unbounded_nowarn.v b/test_regress/t/t_inside_unbounded_both.v
similarity index 84%
rename from test_regress/t/t_inside_unbounded_nowarn.v
rename to test_regress/t/t_inside_unbounded_both.v
index 8e871b670..0ea59406c 100644
--- a/test_regress/t/t_inside_unbounded_nowarn.v
+++ b/test_regress/t/t_inside_unbounded_both.v
@@ -4,12 +4,12 @@
 // any use, without warranty, 2026.
 // SPDX-License-Identifier: CC0-1.0
 
-module t_inside_unbounded_nowarn;
+module t;
   initial begin
     int value;
     value = 50;
     // [$:$] is always true - warning suppressed with -Wno-INSIDETRUE
-    if (!(value inside {[$:$]})) $stop;
+    if (!(value inside {[$ : $]})) $stop;
     $write("*-* All Finished *-*\n");
     $finish;
   end
diff --git a/test_regress/t/t_inside_unbounded_bad.out b/test_regress/t/t_inside_unbounded_both_bad.out
similarity index 54%
rename from test_regress/t/t_inside_unbounded_bad.out
rename to test_regress/t/t_inside_unbounded_both_bad.out
index c4968085c..17e45e396 100644
--- a/test_regress/t/t_inside_unbounded_bad.out
+++ b/test_regress/t/t_inside_unbounded_both_bad.out
@@ -1,6 +1,6 @@
-%Warning-INSIDETRUE: t/t_inside_unbounded_bad.v:12:23: Unbounded on both sides of inside range [$:$] is always true
-   12 |     if (value inside {[$:$]}) $display("PASS");
-      |                       ^
+%Warning-INSIDETRUE: t/t_inside_unbounded_both.v:12:25: Unbounded on both sides of inside range [$:$] is always true
+   12 |     if (!(value inside {[$ : $]})) $stop;
+      |                         ^
                      ... For warning description see https://verilator.org/warn/INSIDETRUE?v=latest
                      ... Use "/* verilator lint_off INSIDETRUE */" and lint_on around source to disable this message.
 %Error: Exiting due to
diff --git a/test_regress/t/t_inside_unbounded_bad.py b/test_regress/t/t_inside_unbounded_both_bad.py
similarity index 90%
rename from test_regress/t/t_inside_unbounded_bad.py
rename to test_regress/t/t_inside_unbounded_both_bad.py
index e842d48f7..19f054ae4 100755
--- a/test_regress/t/t_inside_unbounded_bad.py
+++ b/test_regress/t/t_inside_unbounded_both_bad.py
@@ -10,6 +10,7 @@
 import vltest_bootstrap
 
 test.scenarios('vlt')
+test.top_filename = 't/t_inside_unbounded_both.v'
 
 test.lint(fails=True, expect_filename=test.golden_filename)