PhlyTest\Http\MessageTraitTest::testGetHeaderReturnsHeaderValueAsArray PHP Method

    public function testGetHeaderReturnsHeaderValueAsArray()
    {
        $message = $this->message->withHeader('X-Foo', ['Foo', 'Bar']);
        $this->assertNotSame($this->message, $message);
        $this->assertEquals(['Foo', 'Bar'], $message->getHeader('X-Foo'));
    }