Method "create_temp_file" with `full_random` causes recording failures

[williexu]

azure-python-devtools/src/azure_devtools/scenario_tests/base.py

Line 32 in b90f321

def create_temp_file(self, size_kb, full_random=False):

If create_temp_file is called and the full_random flag is set to True, the temp_file will have randomized bytes that may not be valid characters. Requests using that data that are being recorded will fail.

It would be nice to have randomized VALID characters instead.

[lmazuel]

Archiving repo, closing all issues.