test: run tests on Travis (#48)
test: run tests on Travis (#48)

Add the test run script to travis to verify PRs and pushes
carbon-design-system/carbon-components-react,carbon-design-system/carbon-components,carbon-design-system/carbon-components,hellobrian/carbon-components-react,jzhang300/carbon-components-react,hellobrian/carbon-components-react,carbon-design-system/carbon-components,joshblack/carbon-components-react,joshblack/carbon-components-react,carbon-design-system/carbon-components-react