Setup Login as admin. Create the course "H5P editor testing" (shortname c1). In course c1, add a Page in Topic 1 section: Name:  Slider. Page content : add the attached H5P content using the H5P Atto button. Save and display. Confirm that a four slides image slider is displayed (food pictures). Download the attached test_editor.php file in the root folder. Keep Slider Page in a tab and in new one open https://yoursite/test_editor.php . Ensure  that in the Select a content to edit dropdown, there is the option "H5P editor testing - Module: Slider - ERROR: No title". If you used another name for the course or the Page module, they should appear in this option. Ensure that in the Select a content to create dropdown, there is the option "Image Slider". Please, test both the Boost and Classic themes Edit content Ensure you are in the H5P Editor manual testing page ( test_editor.php script). In the Select a content to edit dropdown, choose the option "H5P editor testing - Module: Slider - ERROR: No title" and click the Edit button. Confirm that the H5P Editor is properly displayed. Modify the Image Slider content: Title: Image Slider Untitled Image Slide #1 Title: Slide 1 Click "Edit image" button and upload a new image. Alternative text: New image uploaded Remote the second slide: Click the "Remove item" icon in the title bar of the slide. Add a new slide Below the last slide, click the button "Add item". Click "Add" button and upload a new image. Alternative text: Second image uploaded Reload the tab with the Slider Page Confirm the images have changed. Load again in the other tabhttps://yoursite/test_editor.php. In the Select a content to edit dropdown, choose the option "H5P editor testing - Module: Slider - Image Slider" and click the Edit button (notice instead of "ERROR: No title" you can see "Image Slider", the title added before). Confirm that all the changes were saved. Create content Load https://yoursite/test_editor.php . In the Select a content to create dropdown, choose the option "Image Slider" and click the "Create" button. Ensure that the H5P Editor fields are empty or filled with default values. Fill up the form: Title: New Image Slider Image Title: Image 1 Click "Add" button and upload a new image. Alternative text: Alternative 1. Add a second slide: Below the last slide, click the button "Add item". Image Title: Image 2 Click "Add" button and upload a new image. Alternative text: Alternative 2. Press the "Save" button. Confirm in the "Private files" block that there is a file image-slider-x.h5p . Go to the c1 course. Add a Page in Topic 2 section: Name:  New Image Slider. Page content : using the H5P Atto button, go to the Private files repository and select the file image-slider-x.h5p . Save and display. Confirm that a slider with the images you selected is displayed.