"Without --yaml or MSF_DATABASE_CONFIG, ~/.msf4/database.yml wins" --defer-module-loads

MSP-11671

Pass `--defer-module-loads` to `msfconsole` to change average (n=10)
runtime for `/usr/bin/time rake CUCUMBER_OPTS="-r features"
FEATURE=features/msfconsole/database_yml.feature:88 cucumber:boot` from
51.79 seconds to 39.25 seconds (-24.40%). (-71.74% from
e9a69a8.) Raw data:
https://docs.google.com/spreadsheets/d/1vCRi_38Go3Wfq670eDCXMTSSXL1blSbk6NQsgpOqfYw/edit?usp=sharing.

Author: limhoff-r7

features/msfconsole/database_yml.feature

@@ -109,7 +109,7 @@ Feature: `msfconsole` `database.yml`
         database: project_metasploit_framework_test
         username: project_metasploit_framework_test
       """
-    When I run `msfconsole --environment test --execute-command exit`
+    When I run `msfconsole --defer-module-loads --environment test --execute-command exit`
     Then the output should contain "user_metasploit_framework_test"
 
   Scenario: Without --yaml, MSF_DATABASE_CONFIG or ~/.msf4/database.yml, project "database.yml" wins