Updated known issues list (#300)

* Updated known Issue List

* Updated known issue listing

* Enhanced Error Handling Capability to be able to flag invalid JSON files as knwon failures and updated Known Issue List.

* Enhanced Error Handling Capability to be able to flag invalid JSON files as knwon failures and updated Known Issue List.

* Update dgc-testdata-verification.yml

* Update dgc-testdata-verification.yml

* Update dgc-testdata-verification.yml

* Update dgc-testdata-verification.yml

* Update requirements.txt

* Update dgc-testdata-verification.yml

* Update dgc-testdata-verification.yml

* Update requirements.txt

* Enhanced error handling and reporting for test_picture_decode

* Fix for #213 -> test script is stricter than spec and Updated Known Issue List

* Updated Known Issue List

* Enhanced Test Coverage for SI and LV Test Dataset

* Revert test code changes for LV and SI

* Updated Known Issue List

* Update known_issues.csv

* Update known_issues.csv

* Only one type of certificate with one entry is allowed. Ref #161

* Update known issues list

* Update known issues list

Co-authored-by: Daniel Eder <danieleder@outlook.at>

tests/known_issues.csv

@@ -8,3 +8,5 @@ test_expiration_check,ES,1103,https://github.com/eu-digital-green-certificates/d
 test_verification_check,ES,401,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/228
 test_verification_check,ES,402,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/228
 test_verification_check,ES,403,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/228
+test_cose_schema,BG,1,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/298
+test_cose_schema,BG,2,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/298