Restructure `datagen` tests directory tree
Move folders containing tests upper directory. From python_tests\datagen_tests\api_tests
to python_tests\datagen_tests
.
Directories moved: block_api_tests
and transaction_status_api_tests
.
Move folders containing tests upper directory. From python_tests\datagen_tests\api_tests
to python_tests\datagen_tests
.
Directories moved: block_api_tests
and transaction_status_api_tests
.