Gradle updates

src/test/java/nl/tudelft/submit/repository/SubmitGroupRepositoryTest.java

@@ -66,7 +66,7 @@ class SubmitGroupRepositoryTest {
 	@BeforeEach
 	void setup() {
 		group = submitGroupRepository.save(group);
-		version1 = versionRepository.save(version1);
+		versionRepository.save(version1);
 		versionRepository.save(version2);
 	}