Update snapshots on each build.

Closes #1997

Author: mp911de

ci/test.sh

@@ -11,7 +11,7 @@ cwd=$(pwd)
 pushd /tmp && ln -s /work && make -f $cwd/Makefile start && popd
 
 # Execute maven test
-MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/jenkins-home" ./mvnw clean test -P${PROFILE} -DrunLongTests=${LONG_TESTS:-false} -B
+MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/jenkins-home" ./mvnw clean test -P${PROFILE} -DrunLongTests=${LONG_TESTS:-false} -U -B
 
 # Capture resulting exit code from maven (pass/fail)
 RESULT=$?
@@ -20,4 +20,4 @@ RESULT=$?
 pushd /tmp && make -f $cwd/Makefile stop && popd
 
 # Return maven results
-exit $RESULT
+exit $RESULT