Go back to testing Node v4 + stable

Since we can still support it, we should test it. And, there's no need to test intermediate versions.
chaijs · May 23, 2018 · 7a54718 · 7a54718
1 parent 9fa3b07
commit 7a54718
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,6 @@
 language: node_js
 node_js:
-  - 6
-  - 8
-  - 9
-  - 10
+  - 4
   - stable
 env:
   - CHAI_VERSION=^4.0.0 SINON_VERSION=^5.0.0