refactor(NODE-6187): refactor to use TimeoutContext abstraction (#4131)

Author: W-A-James

src/operations/execute_operation.ts

@@ -58,7 +58,11 @@ type ResultTypeFromOperation<TOperation> =
 export async function executeOperation<
   T extends AbstractOperation<TResult>,
   TResult = ResultTypeFromOperation<T>
+<<<<<<< HEAD
 >(client: MongoClient, operation: T, timeoutContext?: TimeoutContext | null): Promise<TResult> {
+=======
+>(client: MongoClient, operation: T, timeoutContext?: TimeoutContext): Promise<TResult> {
+>>>>>>> e04694c3b (refactor(NODE-6187): refactor to use TimeoutContext abstraction (#4131))
   if (!(operation instanceof AbstractOperation)) {
     // TODO(NODE-3483): Extend MongoRuntimeError
     throw new MongoRuntimeError('This method requires a valid operation instance');
@@ -82,6 +86,12 @@ export async function executeOperation<
     throw new MongoInvalidArgumentError('ClientSession must be from the same MongoClient');
   }
 
+  timeoutContext ??= TimeoutContext.create({
+    serverSelectionTimeoutMS: client.s.options.serverSelectionTimeoutMS,
+    waitQueueTimeoutMS: client.s.options.waitQueueTimeoutMS,
+    timeoutMS: operation.options.timeoutMS
+  });
+
   const readPreference = operation.readPreference ?? ReadPreference.primary;
   const inTransaction = !!session?.inTransaction();
 
@@ -113,7 +123,8 @@ export async function executeOperation<
       topology,
       timeoutContext,
       session,
-      readPreference
+      readPreference,
+      timeoutContext
     });
   } finally {
     if (session?.owner != null && session.owner === owner) {