maybe this command will work in circle?

Author: pieh

e2e-tests/development-runtime/cypress/integration/functionality/babelrc.js

@@ -1,6 +1,6 @@
 const TEST_ELEMENT = `test-element`
 
-after(() => {
+before(() => {
   cy.exec(`npm run reset`)
 })
 
@@ -43,33 +43,8 @@ describe(`babelrc`, () => {
         .invoke(`text`)
         .should(`eq`, `babel-rc-test`)
 
-      const FILE_CONTENT = `
-{
-  "plugins": [
-    [
-      "babel-plugin-search-and-replace",
-      {
-        "rules": [
-          {
-            "search": "babel-rc-test",
-            "replace": "babel-rc-added",
-            "searchTemplateStrings": true
-          }
-          
-        ]
-      }
-    ]
-  ],
-  "presets": [
-    "babel-preset-gatsby"
-  ]
-}
-      `
-
       cy.exec(
-        `npm run update -- --file src/pages/babelrc/add/.babelrc --file-content '${JSON.stringify(
-          FILE_CONTENT
-        )}'`
+        `npm run update -- --file src/pages/babelrc/add/.babelrc --file-source src/pages/babelrc/add/.babelrc-fixture`
       )
 
       // babel-loader doesn't actually hot reloads itself when new .babelrc file is added

e2e-tests/development-runtime/scripts/update.js

@@ -39,6 +39,9 @@ const args = yargs
     ).trim(),
     type: `string`,
   })
+  .option(`fileSource`, {
+    type: `string`,
+  })
   .option(`restore`, {
     default: false,
     type: `boolean`,
@@ -64,11 +67,13 @@ async function update() {
   let exists = true
   if (!fs.existsSync(filePath)) {
     exists = false
-    await fs.writeFile(
-      filePath,
-      JSON.parse(args.fileContent).replace(/\+n/g, `\n`),
-      `utf8`
-    )
+    let fileContent
+    if (args.fileSource) {
+      fileContent = await fs.readFile(args.fileSource, `utf8`)
+    } else if (args.fileContent) {
+      fileContent = JSON.parse(args.fileContent).replace(/\+n/g, `\n`)
+    }
+    await fs.writeFile(filePath, fileContent, `utf8`)
   }
   const file = await fs.readFile(filePath, `utf8`)
 

e2e-tests/development-runtime/src/pages/babelrc/add/.babelrc-fixture

@@ -0,0 +1,20 @@
+{
+  "plugins": [
+    [
+      "babel-plugin-search-and-replace",
+      {
+        "rules": [
+          {
+            "search": "babel-rc-test",
+            "replace": "babel-rc-added",
+            "searchTemplateStrings": true
+          }
+          
+        ]
+      }
+    ]
+  ],
+  "presets": [
+    "babel-preset-gatsby"
+  ]
+}