public function testNotUseMasterKeyByDefault()
{
LeanClient::useMasterKey(false);
$headers = LeanClient::buildHeaders("token", null);
$this->assertNotContains("master", $headers["X-LC-Sign"]);
$headers = LeanClient::buildHeaders("token", false);
$this->assertNotContains("master", $headers["X-LC-Sign"]);
$headers = LeanClient::buildHeaders("token", true);
$this->assertContains("master", $headers["X-LC-Sign"]);
}