restore 2 inclusion tests

these tests have been in here since the beginning without them being run.

Author: koenpunt

lib/Validations.php

@@ -272,7 +272,7 @@ public function validates_inclusion_or_exclusion_of($type, $attrs)
 				$enum = $options['within'];
 
 			if (!is_array($enum))
-				array($enum);
+				$enum = array($enum);
 
 			$message = str_replace('%s', $var, $options['message']);
 

test/ValidatesInclusionAndExclusionOfTest.php

@@ -101,7 +101,7 @@ public function test_invalid_inclusion_with_numeric()
 		$this->assert_true($book->errors->is_invalid('name'));
 	}
 
-	public function tes_inclusion_within_option()
+	public function test_inclusion_within_option()
 	{
 		BookInclusion::$validates_inclusion_of[0] = array('name', 'within' => array('okay'));
 		$book = new BookInclusion;
@@ -110,7 +110,7 @@ public function tes_inclusion_within_option()
 		$this->assert_false($book->errors->is_invalid('name'));
 	}
 
-	public function tes_inclusion_scalar_value()
+	public function test_inclusion_scalar_value()
 	{
 		BookInclusion::$validates_inclusion_of[0] = array('name', 'within' => 'okay');
 		$book = new BookInclusion;