Rule violated for bundle venia.core: branches covered ratio is 0.37, but expected minimum is 0.50

When trying to compile the venia example from 

https://experienceleague.adobe.com/docs/experience-manager-cloud-service/content-and-commerce/storefront/developing/customize-cif-components.html?lang=en#bonus-challenge

getting this error

Rule violated for bundle venia.core: branches covered ratio is 0.37, but expected minimum is 0.50

also see this:

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/e207083/.m2/repository/uk/org/lidalia/slf4j-test/1.0.1/slf4j-test-1.0.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/C:/Users/e207083/.m2/repository/com/adobe/aem/aem-sdk-api/2021.5.5343.20210524T070738Z-210527/aem-sdk-api-2021.5.5343.20210524T070738Z-210527.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [uk.org.lidalia.slf4jtest.TestLoggerFactory]

Does anyone know how to resolve?