bug: snos doesn't run in integration test in CI

[apoorvsadana]

Getting this error when running this test in CI. It's ignored for now.

failures:
    tests::jobs::snos_job::test_process_job

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 94 filtered out; finished in 3.23s


--- STDERR:              orchestrator tests::jobs::snos_job::test_process_job ---
thread 'tests::jobs::snos_job::test_process_job' panicked at /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/minilp-0.2.2/src/ordering.rs:12:44:
called `Option::unwrap()` on a `None` value
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::panic
   3: core::option::unwrap_failed
   4: minilp::ordering::order_simple::<minilp::lu::lu_factorize<<minilp::solver::Solver>::try_new::{closure#1}>::{closure#1}>
   5: minilp::lu::lu_factorize::<<minilp::solver::Solver>::try_new::{closure#1}>
   6: <minilp::solver::Solver>::try_new
   7: <minilp::Problem>::solve
   8: <good_lp::solvers::minilp::MiniLpProblem as good_lp::solvers::SolverModel>::solve
   9: cairo_lang_eq_solver::try_solve_equations_iteration::<cairo_lang_sierra_gas::cost_expr::Var>
  10: cairo_lang_eq_solver::try_solve_equations::<cairo_lang_sierra_gas::cost_expr::Var>
  11: cairo_lang_sierra_gas::calc_gas_precost_info
  12: cairo_lang_sierra_to_casm::metadata::calc_metadata
  13: <cairo_lang_starknet_classes::casm_contract_class::CasmContractClass>::from_contract_class_with_debug_info
  14: <cairo_lang_starknet_classes::casm_contract_class::CasmContractClass>::from_contract_class
  15: <starknet_os_types::sierra_contract_class::GenericSierraContractClass>::compile
  16: prove_block::state_utils::add_compiled_class_to_os_input
  17: prove_block::state_utils::add_compiled_class_from_contract_to_os_input::{closure#0}
  18: prove_block::prove_block::{closure#0}
  19: <orchestrator::jobs::snos_job::SnosJob as orchestrator::jobs::Job>::process_job::{closure#0}
  20: orchestrator::tests::jobs::snos_job::test_process_job::{closure#0}
  21: tokio::runtime::context::runtime::enter_runtime::<<tokio::runtime::scheduler::multi_thread::MultiThread>::block_on<core::pin::Pin<&mut dyn core::future::future::Future<Output = core::result::Result<(), eyre::Report>>>>::{closure#0}, core::result::Result<(), eyre::Report>>
  22: <tokio::runtime::runtime::Runtime>::block_on::<core::pin::Pin<&mut dyn core::future::future::Future<Output = core::result::Result<(), eyre::Report>>>>
  23: orchestrator::tests::jobs::snos_job::test_process_job
  24: <orchestrator::tests::jobs::snos_job::test_process_job::{closure#0} as core::ops::function::FnOnce<()>>::call_once
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

[apoorvsadana]

fixed #136