Do not execute killAllSessions on Atlas Data Lake

Author: jmikola

tests/UnifiedSpecTests/UnifiedTestRunner.php

@@ -82,8 +82,11 @@ public function __construct(string $internalClientUri)
 
         /* Atlas prohibits killAllSessions. Inspect the connection string to
          * determine if we should avoid calling killAllSessions(). This does
-         * mean that lingering transactions could block test execution. */
-        if ($this->isServerless() || FunctionalTestCase::isAtlas($internalClientUri)) {
+         * mean that lingering transactions could block test execution.
+         *
+         * Atlas Data Lake also does not support killAllSessions.
+         */
+        if ($this->isServerless() || FunctionalTestCase::isAtlas($internalClientUri) || $this->isAtlasDataLake()) {
             $this->allowKillAllSessions = false;
         }
 
@@ -314,6 +317,14 @@ private function getTopology(): string
         }
     }
 
+    private function isAtlasDataLake(): bool
+    {
+        $database = $this->internalClient->selectDatabase('admin');
+        $buildInfo = $database->command(['buildInfo' => 1])->toArray()[0];
+
+        return ! empty($buildInfo->dataLake);
+    }
+
     /**
      * Return whether the connection is authenticated.
      *