test(integration): backfilled coverage for creation of the editorconf…

…ig file

for #1275

test/integration/features/scaffold.feature

@@ -0,0 +1,5 @@
+Feature: Scaffold
+
+  Scenario: simple project
+    When the project is scaffolded
+    Then basic configuration is added

test/integration/features/step_definitions/config-steps.mjs

@@ -0,0 +1,23 @@
+import {promises as fs} from 'fs';
+
+import {Then} from '@cucumber/cucumber';
+import {assert} from 'chai';
+
+Then('basic configuration is added', async function () {
+  assert.equal(
+    await fs.readFile(`${process.cwd()}/.editorconfig`, 'utf-8'),
+    `# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+`
+  );
+});