Fixes acquia#1582: @executeInDrupalVm annotation not respected.

Author: grasmash

src/Robo/Commands/Blt/DoctorCommand.php

@@ -3,6 +3,7 @@
 namespace Acquia\Blt\Robo\Commands\Blt;
 
 use Acquia\Blt\Robo\BltTasks;
+use Robo\Contract\VerbosityThresholdInterface;
 use Symfony\Component\Yaml\Yaml;
 
 /**
@@ -17,6 +18,11 @@ class DoctorCommand extends BltTasks {
    */
   public function doctor() {
 
+    $this->taskDrush()
+      ->drush('cc drush')
+      ->setVerbosityThreshold(VerbosityThresholdInterface::VERBOSITY_VERBOSE)
+      ->run();
+
     // Attempt to run BLT doctor inside of a VM.
     if ($this->getInspector()->isDrupalVmLocallyInitialized()
       && $this->getInspector()->isDrupalVmBooted()