public function testIsAllSecuritiesEqualCash()
{
$this->assertFalse($this->account->isAllSecuritiesEqualCash());
$security = $this->account->getSecurities()->first();
$security->setSymbol(Security::SYMBOL_IDA12);
$this->assertFalse($this->account->isAllSecuritiesEqualCash());
foreach ($this->account->getSecurities() as $security) {
$security->setSymbol(Security::SYMBOL_IDA12);
}
$this->assertTrue($this->account->isAllSecuritiesEqualCash());
$this->account->getSecurities()->clear();
$this->assertFalse($this->account->isAllSecuritiesEqualCash());
}