This tests long text in datagrid.
Original lengths
key text length: 1500
value text length: 1000

Test committing a long key
key element is being edited
key text length: 3000
Blurring the key
Editor value committed.
key text length: 3000

Test no-op editing the key
key element is being edited
key text length: 3000
Blurring the key
key text length: 3000

Test committing a long value
value element is being edited
value text length: 3000
Blurring the value
Editor value committed.
value text length: 1000

Test no-op editing the value
value element is being edited
value text length: 3000
Blurring the value
value text length: 1000