@botframework-composer/test-utils is missing dependencies when consumed outside of the workspace

[tonyanziano]

Describe the bug

@botframework-composer/test-utils is missing dependencies when consumed as a public testing library.

In #4446 I've done this and found that @botframework-composer/test-utils is missing:

@babel/plugin-proposal-class-properties@7.8.3
@babel/plugin-transform-runtime@^7.9.6

which are used here and here

Version

main as of 10/21/2020

@botframework-composer/test-utils@0.0.1

OS

• macOS
• Windows
• Ubuntu

To Reproduce

Steps to reproduce the behavior:

1. Create a project and install @botframework-composer/test-utils as a dev dependency
2. Create a jest configuration by using createConfiguration() from @botframework-composer/test-utils
3. Observe errors

Expected behavior

Installing @botframework-composer/test-utils should install all the required dependencies to use the library.