@Test
    void testGetTree() {
        when(smbFileHandle.getTree()).thenReturn(smbTreeHandle);
        SmbTreeHandle result = smbFileHandle.getTree();
        assertEquals(smbTreeHandle, result, "getTree should return the mocked SmbTreeHandle.");
        verify(smbFileHandle, times(1)).getTree();
    }

    /**
     * Test isValid() when the handle is valid.
     */
    @Test
    void testIsValid_whenValid() {

        assertNotNull(ex.toString(), "toString should be non-null");
        ex.getMessage(); // don't assert content to avoid implementation assumptions

        // Verify no interactions happened with the mocked cause during construction/access
        verifyNoInteractions(mockCause);
    }

    @Test
    @DisplayName("Cause-only constructor with null: null cause maintained")
    void causeOnlyConstructor_acceptsNull() {

            "The process cannot access the file because it is being used by another process.",
            "The process cannot access the file because another process has locked a portion of the file.", "The disk is full.",
            "A duplicate name exists on the network.", "The network name cannot be found.", "ERRnomoreconn.", "The file exists.",

            "The process cannot access the file because it is being used by another process.",
            "The process cannot access the file because another process has locked a portion of the file.", "The disk is full.",
            "A duplicate name exists on the network.", "The network name cannot be found.", "ERRnomoreconn.", "The file exists.",

        // Then
        assertTrue(result, "Custom implementation should return true when initialized with true");
    }

    @Test
    @DisplayName("Test interface can be mocked")
    void testInterfaceCanBeMocked() {
        // Given
        SmbNegotiationRequest mockRequest = mock(SmbNegotiationRequest.class);

        // Then

        decoded.decode(buf);
        assertEquals(123, decoded.value, "decoded value should equal original");
    }

    /**
     * Verify that encode invokes NdrBuffer.enc_ndr_short via a mocked
     * (spied) buffer.
     */
    @Test
    void encodeWithSpiedBufferCallsEncMethod() throws NdrException {
        NdrShort ns = new NdrShort(42);
        NdrBuffer spy = spy(new NdrBuffer(new byte[10], 0));

The JSON body structure can be seen from this sample:

<details><summary>Request Body Sample</summary>

```json
{
  "input": {
    "account": "minio",
    "groups": null,
    "action": "s3:ListBucket",
    "bucket": "test",
    "conditions": {
      "Authorization": [

  # why it's converted here.
  venv_dir=$(cygpath -m $venv_dir)
  "/c/python${TFCI_PYTHON_VERSION}/python.exe" -m venv "$venv_dir"
  python="$venv_dir/Scripts/python.exe"
fi

# TODO(b/366266944) Remove the check after tf docker image upgrade for NumPy 2
# and numpy 1 support is dropped b/361369076.
if [[ "$TFCI_WHL_NUMPY_VERSION" == 1 ]]; then
  if [[ "$TFCI_PYTHON_VERSION" == "3.13" ]]; then
    "$python" -m pip install numpy==1.26.4
  else

	}
	return nums
}

// Reads all `xl.meta` metadata as a FileInfo slice.
// Returns error slice indicating the failed metadata reads.
func readAllFileInfo(ctx context.Context, disks []StorageAPI, origbucket string, bucket, object, versionID string, readData, healing bool) ([]FileInfo, []error) {
	metadataArray := make([]FileInfo, len(disks))

	opts := ReadOptions{
		ReadData: readData,
		Healing:  healing,
	}

}

// Represents the V2 backend disk structure version
// under `.minio.sys` and actual data namespace.
// formatErasureV2 - structure holds format config version '2'.
// The V2 format to support "large bucket" support where a bucket
// can span multiple erasure sets.
type formatErasureV2 struct {
	formatMetaV1
	Erasure struct {
		Version string `json:"version"` // Version of 'xl' format.