added logback-test.xml to test systemProperties (should write log to

logfile instead of jenkins console)

build.gradle

@@ -249,6 +249,8 @@ test {
 		useDefaultListeners = true
 	}
 
+	systemProperty 'logback.configurationFile', "file:$projectDir/src/test/resources/logback-test.xml"
+
 	ignoreFailures = true
 	minHeapSize = '128m'
 	maxHeapSize = '1024m'
@@ -296,10 +298,6 @@ task javadocJar(type: Jar, dependsOn: javadoc) {
 }
 
 task processResourcesTest << {
-	// we add a config-test.xml for SNAPSHOT releases (so that the cfg.tablePrefix is defined)
-	// otherwise testing and stable version would collide on testsystem
-	// and testing in jenkins would search for geoserver/postgis on jenkins-server
-	// (since localhost is default value in config-files -> needed for development)
 	copy {
 		from('src/test/resources') {
 			include '*-test.xml'