Fix .circleci/config.yml

Author: kobylynskyi

.circleci/config.yml

@@ -5,17 +5,16 @@ jobs:
       - image: circleci/openjdk:8-jdk
     working_directory: ~/repo
     environment:
-      JVM_OPTS: -Xmx3200m
-      TERM: dumb
+      MAVEN_OPTS: -Xmx3200m
     steps:
       - checkout
       - restore_cache:
           keys:
-            - v1-dependencies-{{ checksum "build.gradle" }}
+            - v1-dependencies-{{ checksum "pom.xml" }}
             - v1-dependencies-
-      - run: gradle dependencies
+      - run: mvn dependency:go-offline
       - save_cache:
           paths:
-            - ~/.gradle
-          key: v1-dependencies-{{ checksum "build.gradle" }}
-      - run: gradle test
+            - ~/.m2
+          key: v1-dependencies-{{ checksum "pom.xml" }}
+      - run: mvn package