Projeto não builda

[ricmf]

Olá, clonei o projeto e tentei rodar um mvn install para usar a biblioteca, mas ela falha com erros:

Running com.fincatto.nfe310.NFeConfigTest
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec <<< FAILURE!
com.fincatto.nfe310.NFeConfigTest.testaParametrosPadrao()  Time elapsed: 0.003 sec  <<< FAILURE!
java.lang.Error: Unresolved compilation problems: 
	The method getSSLProtocolo() is undefined for the type NFeConfigTest.NFeConfigTeste
	NFTipoEmissao cannot be resolved to a variable
	The method getTipoEmissao() is undefined for the type NFeConfigTest.NFeConfigTeste
	The method getCodigoSegurancaContribuinte() is undefined for the type NFeConfigTest.NFeConfigTeste
	The method getCodigoSegurancaContribuinteID() is undefined for the type NFeConfigTest.NFeConfigTeste
	at com.fincatto.nfe310.NFeConfigTest.testaParametrosPadrao(NFeConfigTest.java:18)

Running com.fincatto.nfe310.parsers.NotaParserTest
Tests run: 0, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running com.fincatto.nfe310.parsers.NotaFiscalChaveParserTest
Tests run: 0, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec

Results :

Failed tests:   com.fincatto.nfe310.NFeConfigTest.testaParametrosPadrao(): Unresolved compilation problems: (..)

Tests run: 1, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  01:26 min
[INFO] Finished at: 2019-06-28T15:27:46-03:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.12.4:test (default-test) on project danfe: There are test failures.
[ERROR] 
[ERROR] Please refer to /home/ricardo/danfe/target/surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

Como resolvo isso?

[danielbohnrs]

Desculpa a demora em responder. Não costumo acompanhar o projeto aqui.
Este projeto depende do https://github.com/wmixvideo/nfe, então, com ele funcionando no teu projeto, a impressão deve funcionar sem problemas tbm.