Add missing require to inheritance test
Fix some railties test warnings
Merge pull request #10078 from vipulnsward/railties_warning_fix_v1

Fix some railties test warnings
Fixed Typo
Merge pull request #10079 from prathamesh-sonpatki/typo

Fixed Typo
Remove duplicated require from AR base test
add require to suppress warning; remove variable
Merge pull request #10080 from vipulnsward/railties_warning_fix_v2

add require to suppress warning; remove variable