Updated test snippet

Author: emortlock

.vscode/snippets/javascript.json

@@ -67,10 +67,10 @@
       "import { shallow } from 'enzyme'",
       "",
       "import { component as ${1:Component} } from '../$1'",
-      "import { defaultConfig } from '../../config'",
+      "import { defaultTheme } from '../../theme'",
       "",
       "const setup = (testProps = {}) => {",
-      "  const props = Object.assign({ config: defaultConfig }, testProps)",
+      "  const props = Object.assign({ theme: defaultTheme }, testProps)",
       "",
       "  const wrapper = shallow(<$1 {...props} />)",
       "",