CI build fix (#41)

Author: gengjiawen

.circleci/config.yml

@@ -14,20 +14,24 @@ jobs:
           command: |
             docker run --rm --name rn-env react-native-community/react-native bin/sh -c "npx envinfo"
   test:
-    - run:
-        name: Test
-        command: |
-          git clone https://github.com/facebook/react-native --depth=1
-          cd react-native
-          docker run --rm --name rn-build -v $PWD:/pwd -w /pwd react-native-community/react-native /bin/sh -c \
-            "yarn install && ./gradlew RNTester:android:app:assembleRelease && ./scripts/circleci/buck_fetch.sh"
+    machine: true
+    steps:
+      - run:
+          name: Test
+          command: |
+            git clone https://github.com/facebook/react-native --depth=1
+            cd react-native
+            docker run --rm --name rn-build -v $PWD:/pwd -w /pwd react-native-community/react-native /bin/sh -c \
+              "yarn install && ./gradlew RNTester:android:app:assembleRelease && ./scripts/circleci/buck_fetch.sh"
   deploy:
-    - run:
-        name: Deploy docker
-        command: |
-          source ~/.bashrc
-          nvm i node
-          node publish_docker.js
+    machine: true
+    steps:
+      - run:
+          name: Deploy docker
+          command: |
+            source ~/.bashrc
+            nvm i node
+            node publish_docker.js
 
 workflows:
   version: 2