Exception allways rasied if 'buisness is missing' is not detected.

[sambles]

With PR #173 when calling validation_errors = portfolio_exposure.check() the 'Class of business' is checked (feature for cyber model)

If not detected this will always raise an OedException which ignores any validation config options given

ODS_Tools/ods_tools/oed/common.py

Lines 182 to 192 in 39f4ee6

	DEFAULT_VALIDATION_CONFIG = [
	{'name': 'source_coherence', 'on_error': 'log'},
	{'name': 'required_fields', 'on_error': 'raise'},
	{'name': 'unknown_column', 'on_error': 'raise'},
	{'name': 'valid_values', 'on_error': 'raise'},
	{'name': 'perils', 'on_error': 'raise'},
	{'name': 'occupancy_code', 'on_error': 'raise'},
	{'name': 'construction_code', 'on_error': 'raise'},
	{'name': 'country_and_area_code', 'on_error': 'raise'},
	{'name': 'conditional_requirement', 'on_error': 'raise'},
	]

From:

ODS_Tools/ods_tools/oed/exposure.py

Lines 171 to 174 in 39f4ee6

	elif len(final_cobs) == 0:
	error_msg = "\n".join(f"{class_of_business}:"
	+ ("\n " + ", ".join(messages['missing']) + " missing" if messages.get('missing') else "")
	+ ("\n " + ", ".join(messages['present']) + " present" if messages.get('present') else "")