"before each" hook for "should match the name successfully"

[ghost]

someone please help me i am unable to run my tests..... everything is compiling and migrating fine but when im running truffle test, terminal is throwing me this error

Contract: DecentralBank
1) "before all" hook in "Contract: DecentralBank"

0 passing (11s)
1 failing

1. Contract: DecentralBank
   "before all" hook in "Contract: DecentralBank":
   Error: Returned error: VM Exception while processing transaction: revert

please help me i am new to this i searched everywhere but cannot solve the issue

here is the repo link
https://github.com/Dania001/Dapp-Project