blt tests failure

[mikemadison13]

As of the most recent dev as e54f90b

During the Travis Build, running the following command:

blt tests:all drush.alias='${drush.aliases.ci}' --define tests.run-server=true --yes -v

Results in the following issue:

blt tests:all drush.alias='${drush.aliases.ci}' --define tests.run-server=true --yes -v
                                                          
  [Symfony\Component\Console\Exception\RuntimeException]  
  Too many arguments, expected arguments "command".       
                                                          
Exception trace:
 () at /home/travis/build/<project>/vendor/symfony/console/Input/ArgvInput.php:184
 Symfony\Component\Console\Input\ArgvInput->parseArgument() at /home/travis/build/<project>/vendor/symfony/console/Input/ArgvInput.php:88
 Symfony\Component\Console\Input\ArgvInput->parse() at /home/travis/build/<project>/vendor/symfony/console/Input/Input.php:62
 Symfony\Component\Console\Input\Input->bind() at /home/travis/build/<project>/vendor/symfony/console/Command/Command.php:224
 Symfony\Component\Console\Command\Command->run() at /home/travis/build/<project>/vendor/symfony/console/Application.php:874
 Symfony\Component\Console\Application->doRunCommand() at /home/travis/build/<project>/vendor/symfony/console/Application.php:203
 Symfony\Component\Console\Application->doRun() at /home/travis/build/<project>/vendor/symfony/console/Application.php:127
 Symfony\Component\Console\Application->run() at /home/travis/build/<project>/vendor/consolidation/robo/src/Runner.php:155
 Robo\Runner->run() at /home/travis/build/<project>/vendor/acquia/blt/src/Robo/Blt.php:227
 Acquia\Blt\Robo\Blt->run() at /home/travis/build/<project>/vendor/acquia/blt/bin/blt-robo-run.php:29
 require_once() at /home/travis/build/<project>/vendor/acquia/blt/bin/blt-robo.php:14
 require_once() at /home/travis/build/<project>/vendor/acquia/blt/bin/blt:11
tests [-h|--help] [-q|--quiet] [-v|vv|vvv|--verbose] [-V|--version] [--ansi] [--no-ansi] [-n|--no-interaction] [-y|--yes] [-D|--define DEFINE] [--] <command>

Running locally I get more or less the same output if i change the script to use a local alias instead of the variables:

Executing command blt tests drush.alias="<project>.local" --define tests.run-server="true" --yes -v --define drush.alias=self inside of Drupal VM...
[ExecStack] vagrant exec --tty 'blt tests drush.alias="<project>.local" --define tests.run-server="true" --yes -v --define drush.alias=self'
[ExecStack] Running vagrant exec --tty 'blt tests drush.alias="<project>.local" --define tests.run-server="true" --yes -v --define drush.alias=self' in /Users/mike.madison/git/<project>
[warning] The xDebug extension is loaded. This will significantly decrease performance.

                                                          
  [Symfony\Component\Console\Exception\RuntimeException]  
  Too many arguments, expected arguments "command".       
                                                          

Exception trace:
 () at /var/www/<project>/vendor/symfony/console/Input/ArgvInput.php:184
 Symfony\Component\Console\Input\ArgvInput->parseArgument() at /var/www/<project>/vendor/symfony/console/Input/ArgvInput.php:88
 Symfony\Component\Console\Input\ArgvInput->parse() at /var/www/<project>/vendor/symfony/console/Input/Input.php:62
 Symfony\Component\Console\Input\Input->bind() at /var/www/<project>/vendor/symfony/console/Command/Command.php:224
 Symfony\Component\Console\Command\Command->run() at /var/www/<project>/vendor/symfony/console/Application.php:874
 Symfony\Component\Console\Application->doRunCommand() at /var/www/<project>/vendor/symfony/console/Application.php:203
 Symfony\Component\Console\Application->doRun() at /var/www/<project>/vendor/symfony/console/Application.php:127
 Symfony\Component\Console\Application->run() at /var/www/<project>/vendor/consolidation/robo/src/Runner.php:155
 Robo\Runner->run() at /var/www/<project>/vendor/acquia/blt/src/Robo/Blt.php:227
 Acquia\Blt\Robo\Blt->run() at /var/www/<project>/vendor/acquia/blt/bin/blt-robo-run.php:29
 require_once() at /var/www/<project>/vendor/acquia/blt/bin/blt-robo.php:14
 require_once() at /var/www/<project>/vendor/acquia/blt/bin/blt:11

tests [-h|--help] [-q|--quiet] [-v|vv|vvv|--verbose] [-V|--version] [--ansi] [--no-ansi] [-n|--no-interaction] [-y|--yes] [-D|--define DEFINE] [--] <command>