Remove -x test from ./gradlew build in Dockerfile

Author: vorburger

Dockerfile

@@ -3,7 +3,7 @@ FROM openjdk:8-jdk as build
 RUN apt-get update
 COPY . /project
 WORKDIR /project
-RUN ./gradlew build -x test
+RUN ./gradlew build
 
 FROM itzg/minecraft-server
 COPY --from=build /project/web/build/libs/*-all.jar /data/mods/