Test with go1.12rc1

.circleci/config.yml

@@ -66,8 +66,26 @@ jobs:
       - store_test_results:
           path: junit/
 
+  test-golang-1.12:
+    working_directory: /work
+    docker: [{image: 'docker:17.06-git'}]
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run:
+          name: "Unit Test GO 1.12"
+          command: |
+            scripts/ci/test 1.12rc1-alpine
+            mkdir -p junit/gotest
+            docker cp \
+                test-$CIRCLE_BUILD_NUM:/go/src/gotest.tools/gotestsum/junit.xml \
+                junit/gotest/junit.xml
+
+      - store_test_results:
+          path: junit/
+
   release:
-    docker: [{image: 'circleci/golang:1.10'}]
+    docker: [{image: 'circleci/golang:1.11'}]
     working_directory: /go/src/gotest.tools/gotestsum
     steps:
       - checkout
@@ -86,6 +104,7 @@ workflows:
       - lint
       - test-golang-1.10
       - test-golang-1.11
+      - test-golang-1.12
       - release:
           filters:
             tags: {only: '/v[0-9]+(\.[0-9]+)*/'}