"With all 4 locations, --yaml wins" --defer-module-loads

MSP-11671

Add --defer-module-loads to msfconsole run to reduce average (n=10)
running time from 51.78 seconds to 40.38 seconds (-22.02% change).  This
is a -71.55% change since 4eb9a75.  Raw
data:
https://docs.google.com/spreadsheets/d/1vCRi_38Go3Wfq670eDCXMTSSXL1blSbk6NQsgpOqfYw/edit?usp=sharing.

Author: limhoff-r7

features/msfconsole/database_yml.feature

@@ -48,7 +48,7 @@ Feature: `msfconsole` `database.yml`
         database: project_metasploit_framework_test
         username: project_metasploit_framework_test
       """
-    When I run `msfconsole --environment test --execute-command exit --yaml command_line.yml`
+    When I run `msfconsole --defer-module-loads --environment test --execute-command exit --yaml command_line.yml`
     Then the output should contain "command_line_metasploit_framework_test"
 
   Scenario: Without --yaml, MSF_DATABASE_CONFIG wins