and printed the test target from LR
Are you sure that you had colour management turned OFF in LR. I don't know LR particularly well but I seem to remember some earlier posts where it was said this was not possible in LR.
The PP Help makes it clear about turning off CM when printing a target:
Because we want to print raw data for the purpose of deriving a profile, make sure that your printing software is NOT utilizing an ICC profile for the printer. In Qimage, this only involves changing "Printer ICC" to OFF. This option is located on the lower right of the main window in Qimage. If using a photo editor, click "File", "Printer Setup" or "File", "Print Options" and look through all advanced settings to ensure that no ICC profile or "print space" is associated with the printer. For example, in PhotoShop 6 or 7, click "File", "Print Options", and check "More Options" and drop down and select "Color Management". Then make sure that "Print Space" is set to "Same as Source
Terry