Falderal test shared test bodies
Test that tests with input sections can re-use the previous test's test body.
-> Functionality "Silly Interpreter" is implemented by
-> shell command "python3 silly-interpreter.py %(test-body-file)"
-> Tests for functionality "Silly Interpreter"
| print x
=
| read x
| print x
+ meow
= meow
+ purr
= purr
| read x
| read y
| print y
| print x
+ meow
+ purr
= purr
= meow
+ dog
+ cat
= cat
= dog