public async Task GetCaseStatus_UnprocessableEntity()
        {
            // Arrange
            int    caseId        = 0;
            string expectedError = $"Invalid CaseId: {caseId}";

            // Act
            ActionResult <CaseStatusModel> response = await _sut.GetCaseStatus(caseId);

            // Assert
            await _mockCourtCasesService.DidNotReceive().GetCaseStatusAsync(caseId);

            var createdAtActionResult = Assert.IsType <UnprocessableEntityObjectResult>(response.Result);

            Assert.Equal(expectedError, createdAtActionResult.Value);
        }