Update Travis test matrix

Author: patricksamson

.travis.yml

@@ -3,14 +3,12 @@ language: php
 sudo: false
 
 php:
+  - 7.0
   - 7.1
   - 7.2
 
 env:
   matrix:
-    - TESTBENCH_VERSION=3.2.*
-    - TESTBENCH_VERSION=3.3.*
-    - TESTBENCH_VERSION=3.4.*
     - TESTBENCH_VERSION=3.5.*
     - TESTBENCH_VERSION=3.6.*
   global:

composer.json

@@ -23,7 +23,7 @@
 		"phpunit/phpunit": "~6.0 || ~7.0",
         "mockery/mockery": "~1.1",
         "php-coveralls/php-coveralls": "~1.0",
-        "orchestra/testbench": "~3.1"
+        "orchestra/testbench": "~3.5"
 	},
 	"autoload": {
 		"psr-4": {