Add unit tests for date_format validator rule.
Add unit tests for date_format validator rule.

RowlandOti/SlimeApi,martindilling/martindilling,Stolz/Wiki,hackel/laravel,ColErr/creepr-workbench,coolguy1990/madrambles,cbnuke/FilesCollection,zhiyicx/thinksns-plus,zeropingheroes/lanyard,ucla/shib-oauth2-bridge,RowlandOti-Student/SlimeApi,sergi10/rfuerzo,tinywitch/laravel,lxerxa/actionview,abbasadel/TheGlobalMeter,orckid-lab/dashboard,farwish/laravel-pro,slimkit/thinksns-plus,chipotle/quill,martindilling/martindilling,kerick-jeff/istore,remxcode/laravel-base,coolguy1990/madrambles,zeropingheroes/lanyard,GoogleCloudPlatform/laravel,natetheaverage/Bosspos-dev,alanly/soen341-scheduler,lxyz/laraveldemo,xezw211/wx,natetheaverage/Bosspos-dev,beautifultable/phpwind,chipotle/quill,renemeza/college-web-control,xezw211/wx,ColErr/creepr-workbench,orckid-lab/dashboard,martindilling/martindilling,slawisha/RestaurantManager,kjvenky/laravel,pdoren/laravel4,lxerxa/actionview,farwish/laravel-pro,SIJOT/SIJOT-2.x,thosakwe/rGuard,slawisha/RestaurantManager,coolguy1990/madrambles,lcp0578/Wiki,hackel/laravel,udayrockstar/RestaurantManager,physio/fatture,thosakwe/rGuard,sergi10/rfuerzo,ColErr/creepr-workbench,abbasadel/TheGlobalMeter,renemeza/college-web-control,renemeza/college-web-control,pdoren/laravel4,Stolz/Wiki,pdoren/laravel4,lxerxa/actionview,udayrockstar/RestaurantManager,lcp0578/Wiki,chipotle/quill,sergi10/rfuerzo,flysap/skeleton,abbasadel/TheGlobalMeter,tkc/laravel-unit-test-sample,AustinW/contact-manager,thosakwe/rGuard,physio/fatture,kerick-jeff/istore,lcp0578/Wiki,thosakwe/rGuard,GoogleCloudPlatform/laravel,AustinW/contact-manager,kerick-jeff/iPub,superdol/Wiki,hackel/laravel,alanly/soen341-scheduler,beautifultable/phpwind,chipotle/quill,ebollens/shib-oauth2-bridge,coolguy1990/madrambles,remxcode/laravel-base,kjvenky/laravel,natetheaverage/Bosspos-dev,alanly/soen341-scheduler,flysap/skeleton,xezw211/wx,Stolz/Wiki,cbnuke/FilesCollection,escanton/invoices-providers,kerick-jeff/iPub,superdol/Wiki,escanton/invoices-providers,lxerxa/actionview,zhiyicx/thinksns-plus,udayrockstar/RestaurantManager,slawisha/RestaurantManager,slimkit/thinksns-plus,AustinW/contact-manager,boomcms/boomcms,SIJOT/SIJOT-2.x,tkc/laravel-unit-test-sample,zeropingheroes/lanyard,renemeza/college-web-control,alanly/soen341-scheduler,thosakwe/rGuard,kerick-jeff/iPub,GoogleCloudPlatform/laravel,Stichoza/laravel-boilerplate,tkc/laravel-unit-test-sample,abbasadel/TheGlobalMeter,tkc/laravel-unit-test-sample,abbasadel/TheGlobalMeter,escanton/invoices-providers,superdol/Wiki,natetheaverage/Bosspos-dev