Force line terminator to \\n on codemods tests

Author: incepter

packages/codemods/src/v4/key-transformation.js

@@ -134,5 +134,5 @@ module.exports = (file, api) => {
   // This function transforms usages of `QueryCache`.
   transformQueryCacheUsages({ jscodeshift, utils, root, filePath })
 
-  return root.toSource({ quote: 'single' })
+  return root.toSource({ quote: 'single', lineTerminator: '\n' })
 }

packages/codemods/src/v4/replace-import-specifier.js

@@ -21,5 +21,5 @@ module.exports = (file, api) => {
       })
   })
 
-  return root.toSource({ quote: 'single' })
+  return root.toSource({ quote: 'single', lineTerminator: '\n' })
 }

packages/codemods/src/v5/remove-overloads/remove-overloads.js

@@ -55,5 +55,5 @@ module.exports = (file, api) => {
     },
   })
 
-  return root.toSource({ quote: 'single' })
+  return root.toSource({ quote: 'single', lineTerminator: '\n' })
 }