prow/github/fakegithub/fakegithub.go
func (f *FakeClient) GetPullRequestChanges(org, repo string, number int) ([]github.PullRequestChange, error) {
	return f.PullRequestChanges[number], nil
}
func (f *FakeClient) GetPullRequestChanges(org, repo string, number int) ([]github.PullRequestChange, error) {
	return f.PullRequestChanges[number], nil
}
// GetPullRequestChanges returns the file modifications in a PR.