f a6f
Add test on bytecode text

Test data should be a Kotlin source file with zero or more comments e.g. of
the form: '// 1 INVOKEVIRTUAL'. The test then checks that the generated
bytecode for this file contains exactly one occurrence of the string
'INVOKEVIRTUAL'
Correct Android SpecialFiles

Replace all multi-file tests and tests with java with an exclusion of
these directories. Delete obsolete exclusions