fix out of date comment

Author: lia-viam

src/viam/sdk/tests/test_utils.hpp

@@ -23,8 +23,7 @@ BOOST_TEST_GLOBAL_FIXTURE(GlobalFixture);
 
 // Buffer output filter to test console logging.
 // In practice this is a pain and makes it hard to inspect Boost.Test output,
-// so rather than using it as a test fixture we manually instantiate it in an optional.
-// Further log testing is done in the complex module example tests.
+// so rather than using it as a test fixture we manually instantiate it and call release when done.
 // https://stackoverflow.com/a/5405268
 struct cout_redirect {
     cout_redirect() : old(std::cout.rdbuf(os.rdbuf())) {}