Removed all test files

Notable changes

• Bring your own testing library/ framework. See Testing section.

v2.12.0

Notable changes

• Refactor with TypeScript

v2.6.0

Notable changes

• 🔥 Remove Rollup which is optional for building custom elements
• Capitalize name of README, LICENSE, and CODE-OF-CONDUCT
• Add Contributing section which includes CoC
• ✨ Use @reallyland/tsconfig
• Update tests
• Improve test structure
• 💩 Use shx for cross-platform commands support, e.g. rm -rf

Removal of web-component-tester

Due to insanely huge install size of web-component-tester, it has been removed as one of the devDependencies of the generated project.

It is recommended to install web-component-tester globally by running:

$ npm i -g web-component-tester