ServletRuntimeException runtimeException = new ServletRuntimeException(servletException);

        // Verify it's an instance of RuntimeException
        assertTrue(runtimeException instanceof RuntimeException);
        assertTrue(runtimeException instanceof Exception);
        assertTrue(runtimeException instanceof Throwable);
    }

    @Test
    public void test_stackTrace() {

        assertTrue(exception2.getCause() instanceof IllegalArgumentException);

        RuntimeException runtimeException = new RuntimeException("Runtime error");
        SsoLoginException exception3 = new SsoLoginException(message, runtimeException);
        assertTrue(exception3.getCause() instanceof RuntimeException);
    }

    @Test
    public void test_constructorWithThrowableCause_NullError() {

    timeLimiter.runWithTimeout(Runnables.doNothing(), DELAY_MS, MILLISECONDS);
  }

  public void testRunWithTimeout_wrapsUncheckedException() throws Exception {
    RuntimeException exception = new RuntimeException("test");
    UncheckedExecutionException e =
        assertThrows(
            UncheckedExecutionException.class,

        assertEquals("Error message", exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructorWithMessageAndCause() {
        final RuntimeException cause = new RuntimeException("Root cause");
        final LlmException exception = new LlmException("Error occurred", cause);
        assertEquals("Error occurred", exception.getMessage());
        assertSame(cause, exception.getCause());

      immediateFailedFuture(CHECKED_EXCEPTION);
  static final RuntimeException UNCHECKED_EXCEPTION = new RuntimeException("mymessage");
  static final Future<String> FAILED_FUTURE_UNCHECKED_EXCEPTION =
      immediateFailedFuture(UNCHECKED_EXCEPTION);
  static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();
  static final OtherThrowable OTHER_THROWABLE = new OtherThrowable();

    timeLimiter.runWithTimeout(Runnables.doNothing(), DELAY_MS, MILLISECONDS);
  }

  public void testRunWithTimeout_wrapsUncheckedException() throws Exception {
    RuntimeException exception = new RuntimeException("test");
    UncheckedExecutionException e =
        assertThrows(
            UncheckedExecutionException.class,

      immediateFailedFuture(CHECKED_EXCEPTION);
  static final RuntimeException UNCHECKED_EXCEPTION = new RuntimeException("mymessage");
  static final Future<String> FAILED_FUTURE_UNCHECKED_EXCEPTION =
      immediateFailedFuture(UNCHECKED_EXCEPTION);
  static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();
  static final OtherThrowable OTHER_THROWABLE = new OtherThrowable();

        // Test that it can be caught as RuntimeException
        try {
            throw new DictionaryExpiredException();
        } catch (RuntimeException e) {
            assertNotNull(e);
            assertTrue(e instanceof DictionaryExpiredException);
        } catch (Exception e) {
            fail("Should have caught as RuntimeException");
        }
    }

    @Test

    try {
      CountDownLatch latch = new CountDownLatch(1);
      RuntimeException expected =
          assertThrows(RuntimeException.class, () -> GcFinalization.await(latch));
      assertWrapsInterruptedException(expected);
    } finally {
      interruptenator.shutdown();
      Thread.interrupted();
    }
  }

    try {
      CountDownLatch latch = new CountDownLatch(1);
      RuntimeException expected =
          assertThrows(RuntimeException.class, () -> GcFinalization.await(latch));
      assertWrapsInterruptedException(expected);
    } finally {
      interruptenator.shutdown();
      Thread.interrupted();
    }
  }