Update build matrix

Author: exoego

.travis.yml

@@ -5,22 +5,37 @@ scala:
   - 2.12.9
   - 2.13.0
 
-env:
-  - TRAVIS_NODE_VERSION="12.5.0"
-
 jdk:
   - openjdk8
   - openjdk11
 
+env:
+  - TRAVIS_NODE_VERSION="12.9.1" JOB_NAME="test"
+
+script:
+  - sbt ++$TRAVIS_SCALA_VERSION nodejs_v8/test nodejs_v10/test current/test
+
+matrix:
+  include:
+    - scala: 2.13.0
+      jdk: openjdk11
+      env: TRAVIS_NODE_VERSION="12.9.1" JOB_NAME="format and doc"
+      script: sbt ++$TRAVIS_SCALA_VERSION scalafmtSbtCheck scalafmtCheck test:scalafmtCheck current/doc core/doc
+    - scala: 2.13.0
+      jdk: openjdk11
+      env: TRAVIS_NODE_VERSION="8.16.1" JOB_NAME="test"
+      script: sbt ++$TRAVIS_SCALA_VERSION nodejs_v8/test
+    - scala: 2.13.0
+      jdk: openjdk11
+      env: TRAVIS_NODE_VERSION="10.16.3" JOB_NAME="test"
+      script: sbt ++$TRAVIS_SCALA_VERSION nodejs_v8/test nodejs_v10/test
+
 install:
   - rm -rf ~/.nvm &&
     git clone https://github.com/nvm-sh/nvm.git ~/.nvm &&
     (cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`) &&
     source ~/.nvm/nvm.sh && nvm install $TRAVIS_NODE_VERSION
 
-script:
-  - sbt ++$TRAVIS_SCALA_VERSION scalafmtSbtCheck scalafmtCheck test:scalafmtCheck clean current/doc core/doc test
-
 before_cache:
   - rm -fv $HOME/.ivy2/.sbt.ivy.lock
   - find $HOME/.ivy2/cache -name "ivydata-*.properties" -print -delete