Create a course. Add Folder resource to the course. In "Adding a new Folder": In "Content" > "Files" section upload several files. At least one of them should be an archive format file (ex. .zip) Select one of the uploaded files using the keyboard (navigate by pressing "Tab", press "Enter" to open). make sure an edit dialog pops up Navigate through the pop up using the keyboard and attempt to delete the file using keyboard (press "Enter" on "Delete"). make sure a delete confirmation dialog is displayed, and after pressing "Enter" on "OK" using the keyboard the file gets deleted. Select one of the uploaded files using the keyboard (navigate by pressing "Tab", press "Enter" to open). Navigate through the pop up using the keyboard and attempt to download the file using keyboard (press "Enter" on "Download"). make sure the file starts downloading. Select the uploaded archive format file using the keyboard (navigate by pressing "Tab", press "Enter" to open). Navigate through the pop up using the keyboard and attempt to unzip the file using keyboard (press "Enter" on "Unzip"). make sure the file is unzipped. Navigate through the pop up using the keyboard and attempt to change the name of the file using only the keyboard. (After you change the name press "Enter"). make sure the file name is updated. Navigate through the pop up using the keyboard and attempt to close the modal. (press "Enter" on "Cancel"). make sure the modal is closed and no other actions are applied. Add a File resource to the course. In "Adding a new File": In "General" > "Select files" upload several files. Select one of the uploaded files using the keyboard (navigate by pressing "Tab", press "Enter" to open). make sure an edit dialog pops up Navigate through the pop up using the keyboard and attempt to set the file as main using keyboard (press "Enter" on "Set main file"). make sure the file is set as a main file.