Fix "Cannot find module" errors in TypeScript test files

[Jerrylum]

Both Visual Studio Code and tsc emit the error TS2307: Cannot find module 'fabric-contract-api' or its corresponding type declarations.. It can be solved by adding "../../types/" as type package to **/test/typescript/tsconfig.json

Before:

After:

Patch commit: Jerrylum@4b3a2ca

Related to #415