Add the Update change, and see what changes need to happen to the DB handler's methods

app/src/Domain/Repository/User/UserRepository.php

@@ -94,7 +94,7 @@ class UserRepository implements UserRepositoryInterface
                 password = :password
             WHERE id = :id";
 
-        $results = $this->db->query($query, [
+        $results = (bool) $this->db->query($query, [
             $user->getEmail(),
             $user->getName(),
             $this->userAuth->hash($user->getPassword()),

app/tests/Domain/Repository/UserRepositoryTest.php

@@ -16,28 +16,42 @@ class UserRepositoryTest extends TestCase
         $user = $this->getUserFromArray();
         $databaseHandler = $this->prophesize(DatabaseHandlerInterface::class);
         
-        $databaseHandler->insert(
-            Argument::type('string'),
-            Argument::type('array')
-        )->willReturn(true);
-        $databaseHandler->getConnection()->willReturn(new class {
-            public function lastInsertId(): int
-            {
-                return 100;
-            }
-        });
+        $databaseHandler
+            ->insert(Argument::type('string'), Argument::type('array'))
+            ->willReturn(true);
+        
+        $databaseHandler
+            ->getConnection()
+            ->willReturn(new class {
+                public function lastInsertId(): int
+                {
+                    return 100;
+                }
+            });
+
+        $databaseHandler
+            ->query(Argument::type('string'), Argument::type('array'))
+            ->willReturn([true]);
 
         $userRepository = new UserRepository(
             $databaseHandler->reveal(),
             new BasicUserAuthorization()
         );
 
-        $results = $userRepository->create($user);
-        $this->assertTrue($results);
         /**
          * We are testing if the User entity has been mutated by the `create`
          * method in the UserRepository.
          */
+        $results = $userRepository->create($user);
+        $this->assertTrue($results);
         $this->assertEquals(100, $user->getId());
+
+        $user->setName("Dave Smith-Hayes");
+        $results = $userRepository->update($user);
+        $this->assertTrue($results);
+        $this->assertEquals(
+            $user->getUpdatedAt()->format("dmY"),
+            (new \DateTime())->format("dmY")
+        );
     }
 }