fix: Add a comment for gVisor debug mode

Bug: N/A
Change-Id: I571bcf6ee2b668741668e18bc82664903a988528
GitOrigin-RevId: 6355946bc496576c03a12e0334cdf8e8d0edcca5

Author: Privacy Sandbox Team

src/roma/byob/test/roma_byob_test.cc

@@ -571,6 +571,8 @@ TEST_P(RomaByobTest, VerifyNoCapabilities) {
 
 INSTANTIATE_TEST_SUITE_P(
     RomaByobTestSuiteInstantiation, RomaByobTest,
+    // Since we don't want to run tests for gVisor debug mode,
+    // Mode::kSandboxModeWithGvisorDebug has not included in the list.
     testing::ValuesIn<Mode>({Mode::kSandboxModeWithGvisor,
                              Mode::kSandboxModeWithoutGvisor}),
     [](const testing::TestParamInfo<RomaByobTest::ParamType>& info) {