9. class CalculatorTest extends PHPUnit_Framework_TestCase { public function setUp() { $this->calc = new Calculator; } public function test_add_引数の和を返す() { $result = $this->calc->add(1, 2); $this->assertSame(3, $result); } } 10. class CalculatorTest extends PHPUnit_Framework_TestCase { public function setUp() { 1 $this->calc = new Calculator; } public function test_add_引数の和を返す() { $result = $this-