':type project_id: str
:type branch: str
:rtype: list[dict]'

def get_merge_runs(self, project_id, branch):

    params = dict(isPullRequest='false', projectIds=project_id, branch=branch)
    client = HttpClient(self.args, always=True)
    response = client.get(('https://api.shippable.com/runs?%s' % urlencode(params)))
    return response.json()
