Filter option doesn't work in getPastEvents

[avkos]

related to #1219

filter option doesn't work in getPastEvents('allEvents')

const contract = new web3.eth.Contract(Basic.abi,contractAddress)
 const res = await contract.getPastEvents('allEvents',{
         fromBlock: 0,
         filter: {
             val: 12
         }
 })

Expected behavior

Should return filtered events.
documentation - here

Actual behavior

Do not filter events. Returns all of them.