Go to My Tests and clicktap the test.
Then click the pause buttonon the right side.
Then tap thebutton on the right side.
Once a test is stopped (per the instructions above), the pause button is replaced by a delete button.
Click the delete buttonto delete the test.
Tap thebutton to delete the test.
Go to My Tests and look in the top left of your screen for a + New Test button.
That button will bring up a screen showing you any photos you've uploaded. Select the last box which says "Delete Photo(s)."