MC-33909: Fix Integration tests php 7.4

Author: DianaRusin

dev/tests/integration/testsuite/Magento/Framework/MessageQueue/UseCase/WaitAndNotWaitMessagesTest.php

@@ -65,7 +65,9 @@ protected function setUp(): void
      */
     public function testWaitForMessages()
     {
-        $this->assertArraySubset(['queue' => ['consumers_wait_for_messages' => 1]], $this->config);
+        $this->assertArrayHasKey('queue', $this->config);
+        $this->assertArrayHasKey('consumers_wait_for_messages', $this->config['queue']);
+        $this->assertEquals(1, $this->config['queue']['consumers_wait_for_messages']);
 
         foreach ($this->messages as $message) {
             $this->publishMessage($message);
@@ -74,12 +76,12 @@ public function testWaitForMessages()
         $this->waitForAsynchronousResult(count($this->messages), $this->logFilePath);
 
         foreach ($this->messages as $item) {
-            $this->assertContains($item, file_get_contents($this->logFilePath));
+            $this->assertStringContainsString($item, file_get_contents($this->logFilePath));
         }
 
         $this->publishMessage('message4');
         $this->waitForAsynchronousResult(count($this->messages) + 1, $this->logFilePath);
-        $this->assertContains('message4', file_get_contents($this->logFilePath));
+        $this->assertStringContainsString('message4', file_get_contents($this->logFilePath));
     }
 
     /**
@@ -93,7 +95,10 @@ public function testNotWaitForMessages(): void
         $config['queue']['consumers_wait_for_messages'] = 0;
         $this->writeConfig($config);
 
-        $this->assertArraySubset(['queue' => ['consumers_wait_for_messages' => 0]], $this->loadConfig());
+        $loadedConfig = $this->loadConfig();
+        $this->assertArrayHasKey('queue', $loadedConfig);
+        $this->assertArrayHasKey('consumers_wait_for_messages', $loadedConfig['queue']);
+        $this->assertEquals(0, $loadedConfig['queue']['consumers_wait_for_messages']);
         foreach ($this->messages as $message) {
             $this->publishMessage($message);
         }
@@ -102,14 +107,13 @@ public function testNotWaitForMessages(): void
         $this->waitForAsynchronousResult(count($this->messages), $this->logFilePath);
 
         foreach ($this->messages as $item) {
-            $this->assertContains($item, file_get_contents($this->logFilePath));
+            $this->assertStringContainsString($item, file_get_contents($this->logFilePath));
         }
 
         // Checks that consumers do not wait 4th message and die
-        $this->assertArraySubset(
-            ['mixed.sync.and.async.queue.consumer' => []],
-            $this->publisherConsumerController->getConsumersProcessIds()
-        );
+        $consumersProcessIds = $this->publisherConsumerController->getConsumersProcessIds();
+        $this->assertArrayHasKey('mixed.sync.and.async.queue.consumer', $consumersProcessIds);
+        $this->assertEquals([], $consumersProcessIds['mixed.sync.and.async.queue.consumer']);
     }
 
     /**