message: Update MLDB-2107-scalar-format.py
diff: mldb = mldb_wrapper.wrap(mldb) # noqa
  -class MLDB2043TabularBigInt(MldbUnitTest): # noqa
  +class MLDB2107ScalarFormatTest(MldbUnitTest): # noqa
  @classmethod
  def setUpClass(cls):
  