code: def test_get_business_day_convention(self):
      for key in BusinessDayConvention:
          # Call function for all available daycount conventions
          if (
              key
              != BusinessDayConvention.BUSINESS_DAY_CONVENTION_UNKNOWN
          ):
              framework.market_data.utils.get_business_day_convention(
                  key
              )
  
imports: import tensorflow.compat.v2
  import tf_quant_finance
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 2 for calling the UtilsTest obj's underlying member method code with example usage: obj.test_get_business_day_convention() without return types