Make stylelint work, ignore coverage/

.stylelintignore

 **/_build
 **/node_modules
-
+**/coverage

package.json

@@ -43,6 +43,7 @@
   ],
   "dependencies": {
     "eslint-config-stylelint": "^8.0.0",
+    "eslint-plugin-jest": "^21.4.2",
     "stylelint-config-pubsweet": "^0.0.3"
   }
 }

yarn.lock

@@ -3490,6 +3490,10 @@ eslint-plugin-import@~2.2.0:
     minimatch "^3.0.3"
     pkg-up "^1.0.0"
 
+eslint-plugin-jest@^21.4.2:
+  version "21.4.2"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-21.4.2.tgz#0e8ec03687259169cef46656827a0a0715e8a8d4"
+
 eslint-plugin-jsx-a11y@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.0.2.tgz#659277a758b036c305a7e4a13057c301cd3be73f"