.travis.yml in licensed-2.3.0 vs .travis.yml in licensed-2.3.1

@@ -45,10 +45,22 @@
     # npm tests
     - language: node_js
       node_js: "8"
       before_script: ./script/source-setup/npm
       script: ./script/test npm
-      env: NAME="npm"
+      env: NAME="npm 8"
+
+    - language: node_js
+      node_js: "10"
+      before_script: ./script/source-setup/npm
+      script: ./script/test npm
+      env: NAME="npm 10"
+
+    - language: node_js
+      node_js: "12"
+      before_script: ./script/source-setup/npm
+      script: ./script/test npm
+      env: NAME="npm 12"
 
     # bower tests
     - language: node_js
       node_js: "8"
       before_script: