[sqs][travis] run tests only if sqs credentinals available.

Author: makasim

pkg/enqueue-bundle/Tests/Functional/UseCasesTest.php

@@ -193,7 +193,7 @@ public function provideEnqueueConfigs()
         ]];
 
         // travis build does not have secret env vars if contribution is from outside.
-        if (false == getenv('AWS_SQS_KEY')) {
+        if (getenv('AWS_SQS_KEY')) {
             yield 'sqs' => [[
                 'transport' => [
                     'default' => 'sqs',