change default exercise id

src/test/java/at/ac/uibk/gitsearch/web/rest/StatisticsResourceIT.java

@@ -30,6 +30,7 @@ import java.util.concurrent.TimeUnit;
 import javax.persistence.EntityManager;
 import org.elasticsearch.node.NodeValidationException;
 import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.Timeout;
@@ -60,7 +61,7 @@ public class StatisticsResourceIT {
     private static final Integer DEFAULT_DOWNLOADS = 1;
     private static final Integer UPDATED_DOWNLOADS = 2;
 
-    private static final String DEFAULT_EXERCISE_ID = "1";
+    private static final String DEFAULT_EXERCISE_ID = "999";
 
     final String publicGitLabProjectId = "3";