[Tests] on node v11.4

Author: ljharb

.travis.yml

@@ -2,7 +2,7 @@ language: node_js
 os:
  - linux
 node_js:
-  - "11.3"
+  - "11.4"
   - "10.14"
   - "9.11"
   - "8.14"
@@ -35,6 +35,8 @@ matrix:
   include:
     - node_js: "lts/*"
       env: PRETEST=true
+    - node_js: "11.3"
+      env: TEST=true ALLOW_FAILURE=true
     - node_js: "11.2"
       env: TEST=true ALLOW_FAILURE=true
     - node_js: "11.1"