Create application.yaml for unit tests, avoiding copy of main application.yaml.

application-sibling.yaml

service.doc:
  dest-directory: file:./service-files
  temp-dir: file:./service-files/service-temp-dir
service.storage.location: ./ssfiles

merge-yaml.gradle

import org.yaml.snakeyaml.Yaml
import org.yaml.snakeyaml.DumperOptions
task mergeToTestApplicationConfig {
    InputStream appIns = new File("${projectDir}/src/main/resources/application.yaml").newInputStream()
    InputStream testIns = new File("${projectDir}/src/test/resources/application-sibling.yaml").newInputStream()
    InputStream appTestIns = new SequenceInputStream(appIns, testIns);
    DumperOptions options = new DumperOptions();
    options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
    options.setPrettyFlow(true);
    Yaml p = new Yaml()
    def mergedOut = p.load(appTestIns)
    p.dump(mergedOut, new FileWriter("${projectDir}/src/test/resources/application.yaml"))
}

tasks.test.dependsOn mergeToTestApplicationConfig