Try to fix Call to undef. method Redis::connect()

.travis.yml

@@ -8,7 +8,6 @@ branches:
     - master
 
 install:
-  - travis_retry pecl install redis
   - travis_retry composer install --no-interaction
 
 script: vendor/bin/phpunit --coverage-clover=coverage.xml

phpunit.xml

@@ -15,7 +15,7 @@
     </testsuites>
     <filter>
         <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">./app</directory>
+            <directory suffix=".php">./src</directory>
         </whitelist>
     </filter>
     <php>

tests/TestCase.php

@@ -2,7 +2,7 @@
 
 namespace Stancl\Tenancy\Tests;
 
-use Illuminate\Support\Facades\Redis;
+use Illuminate\Support\Facades\Redis as LaravelRedis; // https://travis-ci.com/stancl/tenancy/jobs/174861107#L615
 
 class TestCase extends \Orchestra\Testbench\TestCase
 {
@@ -15,7 +15,7 @@ class TestCase extends \Orchestra\Testbench\TestCase
     {
         parent::setUp();
 
-        Redis::connection('tenancy')->flushdb();
+        LaravelRedis::connection('tenancy')->flushdb();
 
         tenant()->create('phpunit.localhost');