Build fails @vue/test-utils and chai should be in dependencies not in devdependencies

[ZelCloud]

Version

3.1.1

Reproduction link

N/A

Node and OS info

Node 11.1.0 / Windows

Steps to reproduce

1. run vue ui
2. turn on all features
3. turn on babel and class component style
4. use sass css preprocessor
5. use eslint airbnb
6. turn on both lint options
7. use mocha chai
8. use nightwatch

What is expected?

build runs without errors

What is actually happening?

Build fails @vue/test-utils and chai should be in dependencies not in devdependencies , then gets stuck running completion hooks forever

[LinusBorg]

@vue/test-utils and chai should be in dependencies not in devdependencies

Why? they are devDependencies.

Build fails

mocha doesn't run when running build, so how should this have any effect on your build? What's the erorr?

So: I can't follow your "reproduction".

[haoqunjiang]

Duplicate of #2554

😂But I forgot why I marked that issue as upstream…