Fix CQS signal. Id] 48267870 -- modernize-concat-nested-namespaces in fbcode/proxygen/lib/utils

Reviewed By: lnicco

Differential Revision: D73355245

fbshipit-source-id: 9e2cfa52d9e4df05ddd4b1a770ca3b4a3e4d7fa9

Author: generatedunixname89002005287564

proxygen/lib/utils/test/WeakRefCountedPtrTest.cpp

@@ -13,7 +13,7 @@
 
 using namespace testing;
 
-namespace proxygen { namespace test {
+namespace proxygen::test {
 
 class TestClass : public EnableWeakRefCountedPtr<TestClass> {
  public:
@@ -602,4 +602,4 @@ TEST(WeakRefCountedPtrTest, CopyConstructDestroySrcDestroyTarget) {
   EXPECT_EQ(nullptr, kaPtr2.get());
 }
 
-}} // namespace proxygen::test
+} // namespace proxygen::test