message: Add .mjs extension for testjs icon
diff: @@ -2540,7 +2540,7 @@ export const extensions: IFileCollection = {
  icon: 'testjs',
  extensions: [],
  filenamesGlob: ['test', 'spec'],
  - extensionsGlob: ['js', 'jsx'],
  + extensionsGlob: ['js', 'jsx', 'mjs'],
  light: true,
  format: FileFormat.svg,
  },
  