test: fix a test (#130)

Author: Pimm

test/__snapshots__/Errors.test.js.snap

@@ -11,5 +11,5 @@ exports[`Errors Validation Error 1`] = `
   options.limit  should be string,number
     at validate (<PROJECT_ROOT>/node_modules/@webpack-contrib/schema-utils/dist/validate-options.js:87:15)
     at validator (<PROJECT_ROOT>/node_modules/@webpack-contrib/schema-utils/dist/validate-options.js:118:10)
-    at Object.loader (<PROJECT_ROOT>/src/index.js:19:3)"
+    at Object.loader (<PROJECT_ROOT>/src/index.js:20:3)"
 `;