Test for first-letter that is removed or added by style change

Test 1:

Block to Inline

Block to Inline

Test 2:
Inline to Block Inline to Block

Test 3:

pseudo

pseudo

Test 4:

pseudo

pseudo

Test 5:

To Float

To Float

Test 6:

To Non Float

To Non Float

Test 7:

To Float

To Float

Test 8:

To Non Float

To Non Float