Add a logback configuration to avoid spitting so much garbage to the term when testing

build.gradle

@@ -69,6 +69,7 @@ test {
     }
     systemProperties TESTROOT : new File(buildDir,'tmp/test/unittests').absolutePath
     systemProperties WARBLER_LOCATION : testWarblerDir.absolutePath
+    systemProperties 'logback.configurationFile' : new File(projectDir,'src/test/resources/logback-test.xml').absolutePath
 }
 
 task sourcesJar(type: Jar, dependsOn: classes) {

src/test/resources/logback-test.xml

@@ -0,0 +1,11 @@
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>