fix test

[todo]

iotex-analytics/indexprotocol/accounts/protocol_test.go

Lines 27 to 32 in 47ec9b8

	// TODO: fix test
	t.Skip()
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

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This issue was generated by todo based on a TODO comment in 47ec9b8 when #313 was merged. cc @iotexproject.