Test on newer Node.js versions, too

ChALkeR · ChALkeR · commit 55e9196c0eee · 2020-05-31T15:43:31.000+03:00
Older don't have sha512-256 and sha512-224, but they should get tested.
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,10 @@ node_js:
   - "5"
   - "6"
   - "7"
+  - "8"
+  - "10"
+  - "12"
+  - "14"
 env:
   matrix:
     - TEST_SUITE=unit

-Original file line number
+Diff line change
   - "5"
   - "6"
   - "7"
 +  - "8"
 +  - "10"
 +  - "12"
 +  - "14"
 env:
   matrix:
     - TEST_SUITE=unit