Adding the java integration test for sift-java repo

Author: Vinayak

.circleci/config.yml

@@ -31,6 +31,11 @@ commands:
             done < github_slack
             rm github_slack
 
+context: &context
+  - slack-templates
+  - slack_Oauth
+  - Github_Slack_UserMapping
+
 jobs:
   build:
     docker:
@@ -62,11 +67,44 @@ jobs:
       - slack/notify:
           <<: *slack_notify
 
+  java_integration:
+    docker:
+      - image: circleci/openjdk:8-jdk
+    working_directory: ~/repo
+
+    environment:
+      TERM: dumb
+      GRADLE_OPTS: -Dorg.gradle.project.sonatypeUsername=username -Dorg.gradle.project.sonatypePassword=password
+
+    steps:
+      - checkout
+      - export_slack_id
+      - run:
+          name: Build and packaged sift-java
+          command: ./gradlew distZip
+
+      - add_ssh_keys:
+          fingerprints:
+            - "4c:c7:1d:f2:95:87:3c:f6:61:4e:46:5a:c8:2a:d7:c9"
+
+      - run:
+          name: Clone sift-java-integration-app and extract sift-java
+          command: |
+            export GIT_SSH_COMMAND='ssh -i ~/.ssh/id_rsa_4cc71df295873cf6614e465ac82ad7c9'
+            git clone git@github.com:SiftScience/sift-java-integration-app.git
+            cd sift-java-integration-app
+            unzip ../build/distributions/sift-java-3.10.0.zip -d app/libs/
+
+      - run:
+          name: Running tests in sift-java-integration-app
+          command: |
+            cd sift-java-integration-app
+            ./gradlew test
+
 workflows:
   sift-java:
     jobs:
       - build:
-          context:
-            - slack-templates
-            - slack_Oauth
-            - Github_Slack_UserMapping
+          context: *context
+      - java_integration:
+          context: *context