IO Test crashes if click on [X]

When closing the "IO Test" dialog box by clicking the [X] on the window, the expt crashed, printing this error mesage:

[docs.google.com]

If we close using ESC on keyboard it doesnt crash.

Sorry for the inconvenience. Open mliotest.m and comment out Line 66.

% if ~isempty(err), throw(err); end

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This is fixed in a different way in the new package.