public function testFlatNestedArrayToFlatDotNotation()
 {
     $nested_array = $this->_getArrayPreset('dotted_notation_tests');
     $expected_array = array('flat' => 'bar', 'foo.bar.baz' => true, 'foo.bar.bat' => false);
     $this->assertSame($expected_array, ArrayUtils::dot($nested_array));
 }