test: add unit tests for required_without with multiple dot-path fields

Author: gr8man

tests/system/Validation/ValidationTest.php

@@ -1854,15 +1854,6 @@ public function testRequireWithoutWithAsterisk(): void
         );
     }
 
-    /**
-     * @see https://github.com/codeigniter4/CodeIgniter4/issues/5942
-     *
-     * Tests that required_without with MULTIPLE dot-path fields
-     * properly checks ALL fields, not just the first one.
-     *
-     * The old bug: return inside foreach caused only the first
-     * field (a.*.b) to be checked. The second (a.*.d) was ignored.
-     */
     public function testRequireWithoutWithMultipleAsterisk(): void
     {
         $data = [
@@ -1885,21 +1876,11 @@ public function testRequireWithoutWithMultipleAsterisk(): void
         $this->assertArrayHasKey('a.2.c', $this->validation->getErrors(), 'Row 2: c missing, d missing → field required');
     }
 
-    /**
-     * @see https://github.com/codeigniter4/CodeIgniter4/issues/5942
-     *
-     * Tests that required_without with multiple dot-path fields
-     * correctly fails when the LAST field (a.*.nonexistent) is
-     * missing, while the first field (a.*.b) is present.
-     *
-     * The old bug: return after checking a.*.b would exit the
-     * foreach early, ignoring a.*.nonexistent entirely.
-     */
     public function testRequireWithoutWithMultipleAsteriskLastMissing(): void
     {
         $data = [
             'a' => [
-                ['b' => 1, 'c' => ''], // c empty, b present, nonexistent missing
+                ['b' => 1, 'c' => ''],
             ],
         ];