test(cli): make probe timeout regression deterministic

Author: loong10k

src/test/java/io/github/easy4j/codex/cli/CodexCliExecutorTest.java

@@ -23,6 +23,7 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import java.nio.file.Paths;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -38,6 +39,9 @@
  */
 class CodexCliExecutorTest {
 
+    private static final String SLOW_CODEX_SCRIPT =
+            Paths.get("src", "test", "resources", "slow-codex.sh").toAbsolutePath().toString();
+
     private CodexClientConfig configFor(String executable) {
         CodexClientConfig config = new CodexClientConfig();
         config.setLocalExecutable(executable);
@@ -162,7 +166,7 @@ void shouldReportFailureFromProbeWhenExecutableMissing() {
 
     @Test
     void shouldUseDedicatedProbeTimeoutWithoutChangingNormalTimeout() {
-        CodexClientConfig config = configFor("/bin/sh -c \"sleep 4; exit 0\"");
+        CodexClientConfig config = configFor("/bin/sh " + SLOW_CODEX_SCRIPT);
         config.setLocalProbeTimeoutSeconds(1);
         config.setLocalTimeoutSeconds(8);
         CodexCliExecutor executor = new CodexCliExecutor(config);