aTransfer !== undefined;
              const dataIsNull = e.data === null;

              if (hasDataTransfer && dataIsNull) {
                logResult(
                  testName,
                  true,
                  `DataTransfer: ${
                    e.dataTransfer.types
                      ? Array.from(e.dataTransfer.types).join(", ")
                      : "none"
                  }, Data: null (correct)`
                );
              } else {
                logResult(
                  