public function testAssocArrayToArrayOfArrayOfString()
{
$testValues = array('a' => '1', 'b' => '2', 'c' => '3');
$expectedResults = array(array('a', 'b', 'c'), array('1', '2', '3'));
$actualResults = MailMerge::assocArrayToArrayOfArrayOfString($testValues);
$this->assertEquals($expectedResults, $actualResults);
}