Sends the text data from sendTextData to the terminal.
| result | result := CICS sendtext from: (self sendtextData); length: (self sendtextData size); exec.
sendTextData contains the following text:
sendtextData ^'This is sample data for the CICS SEND TEXT command. This data is long enough', ' to check what happens when the data is longer than the terminal width. CICS', ' should split it on a word boundary and start on the next line. ', ' This line is before a new-line character.', (16r0A asCharacter asString), ' This is the line after a new-line character.'.