Create a new course tool (More > LTI External tools, you can just set the tool URL to http://example.com and set a name for this test) Set a tool Icon URL to something (a picture on google, whatever) Create a new external tool instance by creating an activity and selecting the tool from the activity chooser Set "Expect completed on" to today's date Create an assignment as well Set the assignment's due date to today's date Go to the calendar Change to "Day" view Verify the icon in the event header is NOT a puzzle piece, but instead it's the icon you set when creating the tool. E.g. looks something like this: Verify the assignment icon is shown as a black icon and is the standard icon for assignment (the arrow pointing toward the page) Edit the URL, setting view=mini (instead of view=day) Mouse over the current day Verify you see both events as before and that both event icons are as before: LTI is a picture, assign is the standard, black icon Go to the course home Add the calendar block to the course In the block, mouse over the current day Verify you see both events as before and that both event icons are as before: LTI is a picture, assign is the standard, black icon