header.Set(userMetadataKeyPrefixes[0]+strconv.Itoa(i), "")
	}
	return header
}

func TestIsHTTPHeaderSizeTooLarge(t *testing.T) {
	for i, test := range isHTTPHeaderSizeTooLargeTests {
		if res := isHTTPHeaderSizeTooLarge(test.header); res != test.shouldFail {
			t.Errorf("Test %d: Expected %v got %v", i, res, test.shouldFail)
		}
	}
}

var containsReservedMetadataTests = []struct {
	header     http.Header