Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: BunsDev

crates/integration/src/test/ssh.rs

@@ -264,8 +264,7 @@ macro_rules! generate_long_running_block_ssh_test_for_shell {
                 // TODO(CORE-2333) PowerShell has no SSH wrapper.
                 // Requires the GCP IAP SSH integration testing VM.  Set
                 // CAST_CODES_SSH_INTEGRATION_TESTS=1 to opt in.
-                .set_should_run_test(|| {
-                    if std::env::var("CAST_CODES_SSH_INTEGRATION_TESTS").is_err() {
+                    if std::env::var("CAST_CODES_SSH_INTEGRATION_TESTS").ok().as_deref() != Some("1") {
                         return false;
                     }
                     let (starter, _) = current_shell_starter_and_version();