Change the way the build matrix is done so that the sauce addon is only enabled when it'll be actually used.

.travis.yml

@@ -1,11 +1,23 @@
 language: php
-php:
-  - 5.6
-  - 5.5
-  - 5.4
-  - 5.3
-  - hhvm
-  - 7.0
+
+matrix:
+  include:
+    - php: "7.0"
+
+    - php: "5.6"
+      addons:
+        sauce_connect: true
+        hosts:
+          - cops-travis
+
+    - php: "5.5"
+    - php: "5.4"
+    - php: "5.3"
+    - php: "hhvm"
+  allow_failures:
+    - php: "hhvm"
+    - php: "7.0"
+
 before_script:
   - npm install jshint
   - jshint --version
@@ -20,12 +32,6 @@ env:
   global:
   - SAUCE_USERNAME=seblucas 
   - secure: VVxocvmz6WYr3tZSTA42M/LUhaHoBWw5onh85hnquoMaxspd3tDCyfQIowTTmEXikRh2T0CkTH7X3dhVwRTd/Ha9isja1qDo9Lc2flGCoWICF7WFZuom084+d+O+EWx4WZMAw4Lz4w6a5xflpPKnzNs9B0+de0BdTlQ5qSXVrcA=
-addons:
-  sauce_connect: true
-  hosts:
-    - cops-travis
+
 sudo: false
-matrix:
-  allow_failures:
-    - php: hhvm
-    - php: 7.0
+