Fix typo in package.json

[eethann]

Hi, this is a small fix to a typo that threw an error when I was initially setting up ethjs-contract-boilerplate. After this fix I no longer see the error when running tests.

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[Mdimran0786]

Hello Sir how are you hope you are doing well and I am imran from India regards to a software like forsage so do you have knowledge of smart contract base software like forsage.io becouse i have requered a software like smart contract base software so is it possible that can you provide me the demo of this kind of software