[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:testCompile (default-testCompile) on project fhir2-omod: Compilation failure
[ERROR] /Users/jecihjoy/Documents/modules/openmrs-module-fhir2/omod/src/test/java/org/openmrs/module/fhir2/web/servlet/BaseFhirResourceProviderTest.java:[99,24] incompatible types: org.openmrs.module.fhir2.api.FhirGlobalPropertyService is not a functional interface
[ERROR]     multiple non-overriding abstract methods found in interface org.openmrs.module.fhir2.api.FhirGlobalPropertyService
[ERROR]