Test commit for cirrus.

.cirrus.yml

@@ -0,0 +1,13 @@
+container:
+  image: gradle:jdk11
+
+check_task:
+  gradle_cache:
+    folder: ~/.gradle/caches
+  check_script: gradle check
+  cleanup_before_cache_script:
+    - rm -rf ~/.gradle/caches/$GRADLE_VERSION/
+    - rm -rf ~/.gradle/caches/transforms-1
+    - rm -rf ~/.gradle/caches/journal-1
+    - rm -rf ~/.gradle/caches/jars-3/*/buildSrc.jar
+    - find ~/.gradle/caches/ -name "*.lock" -type f -delete

.travis.yml

@@ -1,11 +0,0 @@
-language: java
-
-jdk:
-  - openjdk8
-  - openjdk11
-
-install: mvn install -DskipTests -Dgpg.skip -B
-script: mvn test -Dmaven.skip.deploy=true -B
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)