add an example uuid test

test/TestOver.ts

@@ -1,4 +1,4 @@
-import { integer } from 'fast-check';
+import { integer, uuid } from 'fast-check';
 
 import { over } from '../src/index';
 
@@ -8,4 +8,10 @@ describe('some foo', () => {
       return bar < 1_000;
     });
   });
+
+  over('some IDs', uuid(), (it) => {
+    it('should be a good one', (id: string) => {
+      return id[9] !== 'a';
+    });
+  });
 });