diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..c9a08d1
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,40 @@
+image: maven:3-openjdk-15-slim
+
+variables:
+  MAVEN_OPTS: " \
+    -Dhttps.protocols=TLSv1.2 \
+    -Dmaven.repo.local=$CI_PROJECT_DIR/.m2/repository \
+    -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN \
+    -Dorg.slf4j.simpleLogger.showDateTime=true \
+    -Djava.awt.headless=true"
+  MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version"
+
+cache:
+  paths:
+    - .m2/repository
+
+stages:
+  - build
+  - test
+
+build:
+  stage: build
+  script:
+    - "mvn clean compile $MAVEN_CLI_OPTS"
+  artifacts:
+    paths:
+      - target/
+
+unittest:
+  stage: test
+  needs: [build]
+  script:
+    - "mvn package $MAVEN_CLI_OPTS"
+  artifacts:
+    paths:
+      - target/
+    when: always
+    reports:
+      junit:
+        - target/surefire-reports/TEST-*.xml
+        - target/failsafe-reports/TEST-*.xml
\ No newline at end of file
diff --git a/src/main/java/stateandbehavior/StopWatch.java b/src/main/java/stateandbehavior/StopWatch.java
index 0fa837b..d25b373 100644
--- a/src/main/java/stateandbehavior/StopWatch.java
+++ b/src/main/java/stateandbehavior/StopWatch.java
@@ -43,7 +43,7 @@ public class StopWatch {
   
   /** forteller klokken at ticks antall tikk har gått. */
   public void tick(int ticks) {
-    // this.totalTicks += ticks;
+    this.totalTicks += ticks;
     if (this.hasBeenStarted ^ this.hasBeenStopped)
       this.totalTime += ticks;
   }