Added Database tests

models/users/user.py

@@ -3,9 +3,9 @@ from abc import ABC
 class User(ABC):
     """ Functional Class constructor to initialise all properties in the base object
         with a value """
-    def __init__(self, id: int, username: str, password: str, firstname: str, 
+    def __init__(self, username: str, password: str, firstname: str, 
                  lastname: str, email: str, phone: str, role: str):
-        self.id = id
+        self.id = 0
         self.username = username
         self.password = password
         self.firstName = firstname