'Check that L{Headers.removeHeader} removes the given header.'

def test_removeHeader(self):

    h = Headers()
    h.setRawHeaders('foo', ['lemur'])
    self.assertTrue(h.hasHeader('foo'))
    h.removeHeader('foo')
    self.assertFalse(h.hasHeader('foo'))
    h.setRawHeaders('bar', ['panda'])
    self.assertTrue(h.hasHeader('bar'))
    h.removeHeader('Bar')
    self.assertFalse(h.hasHeader('bar'))
