[CHA-1630] Remove tests for updating restricted visibility

Removed tests for updating messages with restricted visibility.

Author: Acconut

tests/integration/IntegrationTest.php

@@ -1475,59 +1475,6 @@ public function testSendMessageWithRestrictedVisibility()
         $this->assertEquals([$this->user1["id"]], $response["message"]["restricted_visibility"]);
     }
 
-    public function testUpdateMessageWithRestrictedVisibility()
-    {
-        $this->channel->addMembers([$this->user1["id"], $this->user2["id"]]);
-
-        // First send a regular message
-        $msgId = $this->generateGuid();
-        $msg = [
-            "id" => $msgId,
-            "text" => "original message"
-        ];
-        $response = $this->channel->sendMessage($msg, $this->user1["id"]);
-
-        // Then update it with restricted visibility
-        $updatedMsg = [
-            "id" => $msgId,
-            "text" => "updated secret message",
-            "restricted_visibility" => [$this->user1["id"]],
-            "user" => ["id" => $this->user1["id"]]
-        ];
-
-        $response = $this->client->updateMessage($updatedMsg);
-        $this->assertNotNull($response["message"]["restricted_visibility"]);
-        $this->assertEquals([$this->user1["id"]], $response["message"]["restricted_visibility"]);
-    }
-
-    public function testUpdateMessagePartialWithRestrictedVisibility()
-    {
-        $this->channel->addMembers([$this->user1["id"], $this->user2["id"]]);
-
-        // First send a regular message
-        $msgId = $this->generateGuid();
-        $msg = [
-            "id" => $msgId,
-            "text" => "original message"
-        ];
-        $response = $this->channel->sendMessage($msg, $this->user1["id"]);
-
-        // Then do a partial update with restricted visibility
-        $response = $this->client->partialUpdateMessage(
-            $msgId,
-            [
-                "set" => [
-                    "text" => "partially updated secret message",
-                    "restricted_visibility" => [$this->user1["id"]]
-                ]
-            ],
-            $this->user1["id"]
-        );
-
-        $this->assertNotNull($response["message"]["restricted_visibility"]);
-        $this->assertEquals([$this->user1["id"]], $response["message"]["restricted_visibility"]);
-    }
-
     public function testExportUsers()
     {
         $user = ["id" => $this->generateGuid()];