diff --git a/lib/Cake/Test/Case/Console/Command/TestShellTest.php b/lib/Cake/Test/Case/Console/Command/TestShellTest.php
index 839992f08fb..aae225a4c05 100644
--- a/lib/Cake/Test/Case/Console/Command/TestShellTest.php
+++ b/lib/Cake/Test/Case/Console/Command/TestShellTest.php
@@ -268,11 +268,17 @@ public function testMapPluginTestToCase() {
 	public function testMapNotTestToNothing() {
 		$this->Shell->startup();
 
-		$return = $this->Shell->mapFileToCategory(APP . 'Test/Case/NotATestFile.php', false);
+		$return = $this->Shell->mapFileToCategory(APP . 'Test/Case/NotATestFile.php');
 		$this->assertFalse($return);
 
 		$return = $this->Shell->mapFileToCase(APP . 'Test/Case/NotATestFile.php', false, false);
 		$this->assertFalse($return);
+
+		$return = $this->Shell->mapFileToCategory(APP . 'Test/Fixture/SomeTest.php');
+		$this->assertFalse($return);
+
+		$return = $this->Shell->mapFileToCase(APP . 'Test/Fixture/SomeTest.php', false, false);
+		$this->assertFalse($return);
 	}
 
 /**