test: make sure to write report

test/Schema.spec.ts

@@ -37,12 +37,12 @@ export class ValidateTestFiles {
       unexpected = unexpected || errorsPerFile[file].some((error) => !error.expected);
     });
 
-    expect(unexpected).to.be.equal(false);
-
     mkdirSync('report', {
       recursive: true,
     });
 
     await writeReport(join('report', 'index.html'), errorsPerFile);
+
+    expect(unexpected).to.be.equal(false);
   }
 }