logback.cofigurationFile not known in test cases

build.gradle

@@ -17,7 +17,7 @@ ext {
 }
 
 dependencies {
-   compile (project(':ch.psi.daq.query'))
+   compile project(':ch.psi.daq.query')
 
    compile libraries.logback_classic
    compile(libraries.spring_boot_starter_web)  {

src/main/resources/application.properties

@@ -1,2 +1 @@
-spring.main.allow-bean-definition-overriding=true
+spring.main.allow-bean-definition-overriding=true
-logging.config=${logback.configurationFile}