Add jest raw loader for raw text fixtures

jest.config.base.js

@@ -88,6 +88,7 @@ module.exports = path => {
       '^.+\\.(gql|graphql)$': 'jest-transform-graphql',
       '^.+\\.js$': 'babel-jest',
       '^.+\\.vue$': 'vue-jest',
+      '^.+\\.(md|zip|png)$': 'jest-raw-loader',
     },
     transformIgnorePatterns: [
       'node_modules/(?!(@gitlab/ui|bootstrap-vue|three|monaco-editor|monaco-yaml)/)',

package.json

@@ -191,6 +191,7 @@
     "jest-canvas-mock": "^2.1.2",
     "jest-environment-jsdom": "^26.5.2",
     "jest-junit": "^12.0.0",
+    "jest-raw-loader": "^1.0.1",
     "jest-util": "^26.5.2",
     "jsdoc": "^3.5.5",
     "jsdoc-vue": "^1.0.0",

yarn.lock

@@ -6972,6 +6972,11 @@ jest-pnp-resolver@^1.2.2:
   resolved "https://registry.yarnpkg.com/jest-pnp-resolver/-/jest-pnp-resolver-1.2.2.tgz#b704ac0ae028a89108a4d040b3f919dfddc8e33c"
   integrity sha512-olV41bKSMm8BdnuMsewT4jqlZ8+3TCARAXjZGT9jcoSnrfUnRCqnMoF9XEeoWjbzObpqF9dRhHQj0Xb9QdF6/w==
 
+jest-raw-loader@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/jest-raw-loader/-/jest-raw-loader-1.0.1.tgz#ce9f56d54650f157c4a7d16d224ba5d613bcd626"
+  integrity sha1-zp9W1UZQ8VfEp9FtIkul1hO81iY=
+
 jest-regex-util@^26.0.0:
   version "26.0.0"
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-26.0.0.tgz#d25e7184b36e39fd466c3bc41be0971e821fee28"