fix: Add randomId to have unique keys on each run

tests/at_end2end_test/test/lookup_verb_test.dart

@@ -37,14 +37,16 @@ void main() {
     ///Update verb on bob atsign
     var lastValue = Random().nextInt(5);
     var value = 'Q7878R$lastValue';
-    await sh1.writeCommand('update:$atSign_2:special-code$atSign_1 $value');
+    var randomId = Uuid().v4();
+    await sh1.writeCommand(
+        'update:$atSign_2:special-code-$randomId$atSign_1 $value');
     String response = await sh1.read();
     print('update verb response : $response');
     assert(
         (!response.contains('Invalid syntax')) && (!response.contains('null')));
 
     ///lookup verb alice  atsign
-    await sh2.writeCommand('lookup:special-code$atSign_1');
+    await sh2.writeCommand('lookup:special-code-$randomId$atSign_1');
     response = await sh2.read(timeoutMillis: 4000);
     print('lookup verb response : $response');
     expect(response, contains('data:$value'));