git clone https://github.com/openapi-json-schema-tools/openapi-json-schema-generator
cd openapi-json-schema-generator
mvn clean package

[INFO]
[INFO] Results:
[INFO]
[ERROR] Failures:
[ERROR]   URLPathUtilsTest.testGetServerURLWithVariables:115 expected [https://{user}.example.com/v1] but found [http://localhost]
[INFO]
[ERROR] Tests run: 463, Failures: 1, Errors: 0, Skipped: 0
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  36.743 s
[INFO] Finished at: 2023-08-25T16:20:21-07:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:3.1.2:test (default-test) on project openapi-json-schema-generator-cli: There are test failures.
[ERROR]
[ERROR] Please refer to /{local_pathway}/openapi-json-schema-generator/target/surefire-reports for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
[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