if (!exceptions.isEmpty()) {
            fail("Concurrent operations caused exceptions: " + exceptions.get(0));
        }

        assertEquals(threadCount * opsPerThread, successCount.get(), "All operations should succeed");
    }

    /**
     * Test that session release with double-check pattern prevents race conditions.
     */
    @Test
    public void testSessionReleaseDoubleCheckPattern() throws Exception {

app.flags = flags

# These symbols appear because we import the python package which
# in turn imports from tensorflow.core and tensorflow.python. They
# must come from this module. So python adds these symbols for the
# resolution to succeed.
# pylint: disable=undefined-variable
del python
del core

        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.1"), "First attempt should be allowed");

        // Record success
        rateLimiter.recordSuccess("user1", "192.168.1.1");

        // Should still be allowed
        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.1"), "After success should be allowed");
    }

    @Test
    public void testAccountLockout() throws Exception {

     * might be cancelled before we set the runner thread. That would make it impossible to
     * interrupt, yet it will still run, since interruptTask will leave the runner value null,
     * allowing the CAS below to succeed.
     */
    Thread currentThread = Thread.currentThread();
    if (!compareAndSet(null, currentThread)) {
      return; // someone else has run or is running.
    }

    boolean run = !isDone();

sleep 5

./mc admin policy info minio2 projecta >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "expecting the command to succeed, exiting.."
	exit_1
fi
./mc admin policy info minio3 projecta >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "expecting the command to succeed, exiting.."
	exit_1
fi

./mc admin policy remove minio3 projecta

sleep 10
./mc admin policy info minio1 projecta

        // Second success should close the circuit (threshold is 2)
        result = circuitBreaker.executeWithCircuitBreaker(() -> "success 1");
        assertEquals("success 1", result, "Should execute second success");
        assertEquals(State.CLOSED, circuitBreaker.getState(), "Circuit should be CLOSED after success threshold");

        // Test max attempts in half-open with failure scenario
        circuitBreaker.trip(); // Open again

        // Prepare a minimal locator
        SmbResourceLocatorImpl loc = new SmbResourceLocatorImpl(ctx, smbUrl("smb://srv/share/path"));

        // Setup a tree that will fail with transport error first, then succeed
        SmbTreeImpl tree = mock(SmbTreeImpl.class);
        when(tree.acquire(false)).thenReturn(tree);

        CommonServerMessageBlockRequest req = mock(CommonServerMessageBlockRequest.class);

                return DcerpcError.DCERPC_FAULT_OP_RNG_ERROR;
            }
        }).when(mockHandle).sendrecv(any(MsrpcSamrConnect4.class));
        // Subsequent call for MsrpcSamrConnect2 should succeed
        doNothing().when(mockHandle).sendrecv(any(MsrpcSamrConnect2.class));

        try (SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access)) {
            assertNotNull(handle);

      }
      ArrayList<Integer> nodeList = new ArrayList<>(network.nodes());
      for (int i = 0; i < NUM_EDGES; ++i) {
        // Parallel edges are allowed, so this should always succeed.
        assertThat(
                network.addEdge(
                    getRandomElement(nodeList, gen), getRandomElement(nodeList, gen), new Object()))
            .isTrue();
      }

 * Don't start a new attempt until 250 ms after the most recent attempt was started.
 * Keep whichever TCP connection succeeds first and cancel all the others.
 * Race TCP only. Only attempt a TLS handshake on the winning TCP connection.