Fixes #1841: blt sync issue exit code 75.

scripts/travis/run_tests

@@ -6,7 +6,7 @@ set -ev
 yaml-cli update:value blt/project.yml project.local.hostname '127.0.0.1:8888'
 
 blt validate:all
-blt setup --define drush.alias='${drush.aliases.ci}' --define environment=ci --no-interaction -v
+blt setup --define drush.alias='${drush.aliases.ci}' --define environment=ci --no-interaction --yes -v
 blt tests:all --define drush.alias='${drush.aliases.ci}' --define tests.run-server=true --yes -v
 
 set +v

src/Robo/Tasks/DrushTask.php

@@ -329,7 +329,7 @@ public function run() {
   }
 
   /**
-   * Adds drush comands with their corresponding options to stack.
+   * Adds drush commands with their corresponding options to stack.
    */
   protected function setupExecution() {
     $this->setOptionsForLastCommand();