Parametrize sssctl tests 2.

- Combine various sssctl tests to the single parametrized tests.

test_sssctl__check_invalid_semantic_in_section_name merges tests:

test_sssctl__check_missing_id_provider
test_sssctl__check_invalid_id_provider
test_sssctl__check_special_character_in_option_name
test_sssctl__check_special_character_in_domain_name
test_sssctl__check_invalid_sssd_section_name

test_sssctl__check_invalid_syntax_in_section_name merges tests:

test_sssctl__check_missing_equal_sign
test_sssctl__check_missing_closing_bracket
test_sssctl__check_missing_opening_bracket

Dropped tests:
test_sssctl__check_special_character_in_section_name
test_sssctl__check_forward_slash_missing_in_domain_section
test_sssctl__check_invalid_pam_section_name
test_sssctl__check_invalid_nss_section_name

Signed-off-by: Denis Karpelevich <[email protected]>