Initial setup Download and put testdropzone.php file into your Moodle root folder. Login as admin. Drag-drop test Turn on the Browser developer tool. Switch to the Console tab. Navigate to [Moodle-URL] /testdropzone.php Verify that you will see a log called: Dropzone has been initialized! Verify that you will see Test dropzone page heading. Verify that you will see a Dropzone below the heading. (Like the attached image). Drag a file from your machine over the dropzone - Do not drop it . Verify that the dropzone border color will be changed to blue . Drag the file out of the dropzone. Verify that the dropzone border colour will be changed back to grey . Drop the file inside the dropzone. Verify that you will see the FileList object in the Console tab. Expand that FileList. Verify that you will see the dropped file's name and size . Move the mouse around the dropzone. Verify that the cursor is the hand one. Click anywhere inside the dropzone. Verify that the OS Finder will be opened to let you select a file. Select a file to upload. Verify that you will see the FileList object in the Console tab. Expand that FileList. Verify that you will see the selected file's name and size . Accessibility test Click on Test dropzone page heading to focus on that place. Press the Tab key. Verify that you will see Add files... Verify that the Add files... element is focused . Press the Enter key. Verify that the OS Finder will be opened to let you select a file. Select a file to upload. Verify that you will see the FileList object in the Console tab. Expand that FileList. Verify that you will see the selected file's name and size .