How can I reuse a function from a _test file inside another _test.go file? [duplicate]

This question already has an answer here:

• Can I create shared test utilities in go? 1 answer

I want to reuse a function from a _test.go file inside another one.

I have tried importing the package and accessing the function from there, But it was not possible to use the function.

My project structure is like that:

├── a.go
├── a_test.go      # package a
   ├──b.go
   ├──b_test.go    # package b

I am trying to use a function from b_test.go inside a_test.go file. Isn't it possible to import a function from test files in fo? If it's passible how can I do it?