public function testUnease()
{
// Arrange
$a = ['foo.bar' => 'ter', 'baz.0' => 'b', 'baz.1' => 'z'];
// Act
$x = __::unease($a);
// Assert
$this->assertEquals(2, count($x));
$this->assertEquals(['foo' => ['bar' => 'ter'], 'baz' => ['b', 'z']], $x);
}