Remove Thrift tests' reliance on sync processors

Summary: Title

Reviewed By: rmakheja

Differential Revision: D76623165

fbshipit-source-id: 307cb7bf77dda61ac1d76d9d35b9a4b91a8709af

Author: Charlie Cook

third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/AdapterTest.php

@@ -221,8 +221,11 @@ public static function toThrift(
   }
 }
 
-final class AdapterTestServiceHandler implements AdapterTest\ServiceIf {
-  public function func(string $arg1, ?AdapterTest\Foo $arg2): vec<int> {
+final class AdapterTestServiceHandler implements AdapterTest\ServiceAsyncIf {
+  public async function func(
+    string $arg1,
+    ?AdapterTest\Foo $arg2,
+  ): Awaitable<vec<int>> {
     expect($arg1)->toEqual('1');
     expect($arg2?->intField)->toEqual('2');
     return vec[3, 4];
@@ -231,12 +234,12 @@ public function func(string $arg1, ?AdapterTest\Foo $arg2): vec<int> {
 
 <<Oncalls('thrift')>>
 final class AdapterTestServer extends METAThriftServer {
-  const type TProcessor = AdapterTest\ServiceSyncProcessor;
+  const type TProcessor = AdapterTest\ServiceAsyncProcessor;
 
   <<__Override>>
-  protected function getProcessor(): AdapterTest\ServiceSyncProcessor {
+  protected function getProcessor(): AdapterTest\ServiceAsyncProcessor {
     return
-      new AdapterTest\ServiceSyncProcessor(new AdapterTestServiceHandler());
+      new AdapterTest\ServiceAsyncProcessor(new AdapterTestServiceHandler());
   }
 
   <<__Override>>