test: add test to reproduce bug

Author: kenjis

tests/_support/View/OtherCells/SampleClass.php

@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Tests\Support\View\OtherCells;
+
+/**
+ * Two classes with the same short name.
+ *
+ * - Tests\Support\View\SampleClass
+ * - Tests\Support\View\OtherCells\SampleClass
+ */
+class SampleClass
+{
+    public function hello()
+    {
+        return 'Good-bye!';
+    }
+}

tests/system/View/CellTest.php

@@ -113,6 +113,17 @@ public function testDisplayRendersWithNamespacedClass()
         $this->assertSame($expected, $this->cell->render('\Tests\Support\View\SampleClass::hello'));
     }
 
+    public function testDisplayRendersTwoCellsWithSameShortName()
+    {
+        $output = $this->cell->render('\Tests\Support\View\SampleClass::hello');
+
+        $this->assertSame('Hello', $output);
+
+        $output = $this->cell->render('\Tests\Support\View\OtherCells\SampleClass::hello');
+
+        $this->assertSame('Good-bye!', $output);
+    }
+
     public function testDisplayRendersWithValidParamString()
     {
         $params   = 'one=two,three=four';