Refactor test wdpost dispute test to use kit2

[dirkmc]

Depends on #6507

Fails with

evil miner stopped
2021-06-17T14:09:11.914+0200	WARN	vm	vm/runtime.go:350	Abortf: caller f0100 is not one of [f0102 f0102]
2021-06-17T14:09:11.914+0200	WARN	vm	vm/runtime.go:149	VM.Call failure: caller f0100 is not one of [f0102 f0102] (RetCode=8):
    github.com/filecoin-project/lotus/chain/vm.(*Runtime).ValidateImmediateCallerIs
        /Users/dirk/go/src/github.com/filecoin-project/lotus/chain/vm/runtime.go:342
2021-06-17T14:09:11.914+0200	WARN	vm	vm/vm.go:534	Send actor error	{"from": "f3qufp6kqbomg7g26yhacbvkdestrznwfiyfto2lsfdygfbwt6v7c5fct2aucrvxqn3cgmsqjz5xca4sktfhxa", "to": "f01001", "nonce": 0, "method": "5", "height": "5917", "error": "caller f0100 is not one of [f0102 f0102] (RetCode=8):\n    github.com/filecoin-project/lotus/chain/vm.(*Runtime).ValidateImmediateCallerIs\n        /Users/dirk/go/src/github.com/filecoin-project/lotus/chain/vm/runtime.go:342"}
    wdpost_dispute_test.go:144: 
        	Error Trace:	wdpost_dispute_test.go:144
        	Error:      	Received unexpected error:
        	            	GasEstimateMessageGas error:
        	            	    github.com/filecoin-project/lotus/node/impl/full.(*MpoolAPI).MpoolPushMessage
        	            	        /Users/dirk/go/src/github.com/filecoin-project/lotus/node/impl/full/mpool.go:159
        	            	  - estimating gas used:
        	            	    github.com/filecoin-project/lotus/node/impl/full.(*GasModule).GasEstimateMessageGas
        	            	        /Users/dirk/go/src/github.com/filecoin-project/lotus/node/impl/full/gas.go:329
        	            	  - message execution failed: exit SysErrForbidden(8), reason: caller f0100 is not one of [f0102 f0102] (RetCode=8):
        	            	    github.com/filecoin-project/lotus/node/impl/full.gasEstimateGasLimit
        	            	        /Users/dirk/go/src/github.com/filecoin-project/lotus/node/impl/full/gas.go:295
        	Test:       	TestWindowPostDispute
        	Messages:   	evil proof not accepted

[raulk]

Fixed. We were using the wrong owner address when posting proofs to the miner actor.