}
			sraw := praw.String()
			if sraw != tt.WantProxy {
				t.Errorf("Test Proxy %d, expecting:\n%s\nGot:\n%s\n", i, tt.WantProxy, sraw)
				continue
			}
		}
	}
}

func TestRequestWriteTransport(t *testing.T) {
	t.Parallel()

	matchSubstr := func(substr string) func(string) error {
		return func(written string) error {
			if !strings.Contains(written, substr) {