public function testSetAmount()
{
$this->instruction->setAmount('10.99');
$this->assertNotNull($this->instruction->getAmount());
$this->assertInternalType('string', $this->instruction->getAmount());
$this->assertSame('10.99', $this->instruction->getAmount());
$this->instruction->setAmount(10.99);
$this->assertNotNull($this->instruction->getAmount());
$this->assertInternalType('float', $this->instruction->getAmount());
$this->assertSame(10.99, $this->instruction->getAmount());
}