CI and other bugs

solve/gradle-parts/base.gradle

@@ -26,7 +26,7 @@ dependencies {
     testImplementation group: 'junit', name: 'junit', version: junitVersion
     testImplementation group: 'org.hamcrest', name: 'hamcrest-junit', version: '1.0.0.0'
     testImplementation 'com.opencsv:opencsv:3.8'
-    testImplementation 'com.github.stefanbirkner:system-rules:1.19.0'
+    testImplementation 'com.github.stefanbirkner:system-lambda:1.2.0'
 }
 
 mainClassName = 'de.tudresden.inf.st.ttc18live.LiveContestDriverXml'