diff --git a/Cargo.lock b/Cargo.lock
index 31f01a43..9b3b91ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3652,6 +3652,7 @@ name = "orchestrator"
 version = "0.1.0"
 dependencies = [
  "arc-swap",
+ "async-std",
  "async-trait",
  "axum 0.7.5",
  "axum-macros",
diff --git a/crates/orchestrator/Cargo.toml b/crates/orchestrator/Cargo.toml
index 51271861..528582a1 100644
--- a/crates/orchestrator/Cargo.toml
+++ b/crates/orchestrator/Cargo.toml
@@ -34,6 +34,7 @@ tracing = { workspace = true }
 tracing-subscriber = { workspace = true, features = ["env-filter"] }
 url = { workspace = true }
 uuid = { workspace = true, features = ["v4", "serde"] }
+async-std = "1.12.0"
 
 [features]
 default = ["ethereum", "with_mongodb", "with_sqs"]
diff --git a/crates/orchestrator/src/config.rs b/crates/orchestrator/src/config.rs
index ae051709..ef05d9eb 100644
--- a/crates/orchestrator/src/config.rs
+++ b/crates/orchestrator/src/config.rs
@@ -95,6 +95,7 @@ pub async fn config() -> Guard<Arc<Config>> {
 /// However, when running tests, we often want to reinitialize because we want to clear the DB and
 /// set it up again for reuse in new tests. By calling `config_force_init` we replace the already
 /// stored config inside `ArcSwap` with the new configuration and pool settings.
+#[cfg(test)]
 pub async fn config_force_init(config: Config) {
     match CONFIG.get() {
         Some(arc) => arc.store(Arc::new(config)),
diff --git a/crates/orchestrator/src/database/mod.rs b/crates/orchestrator/src/database/mod.rs
index beff0903..8432c293 100644
--- a/crates/orchestrator/src/database/mod.rs
+++ b/crates/orchestrator/src/database/mod.rs
@@ -1,5 +1,4 @@
 use crate::jobs::types::{JobItem, JobStatus, JobType};
-use ::mongodb::Cursor;
 use async_trait::async_trait;
 use color_eyre::Result;
 use mockall::automock;
@@ -35,7 +34,6 @@ pub trait Database: Send + Sync {
 
     async fn update_metadata(&self, job: &JobItem, metadata: HashMap<String, String>) -> Result<()>;
     async fn get_latest_job_by_type(&self, job_type: JobType) -> Result<Option<JobItem>>;
-    async fn get_all_jobs(&self, job_type: JobType) -> Result<Cursor<JobItem>>;
 }
 
 pub trait DatabaseConfig {
diff --git a/crates/orchestrator/src/database/mongodb/mod.rs b/crates/orchestrator/src/database/mongodb/mod.rs
index 1a4a7215..7e698ceb 100644
--- a/crates/orchestrator/src/database/mongodb/mod.rs
+++ b/crates/orchestrator/src/database/mongodb/mod.rs
@@ -9,7 +9,7 @@ use mongodb::options::{FindOneOptions, UpdateOptions};
 use mongodb::{
     bson::doc,
     options::{ClientOptions, ServerApi, ServerApiVersion},
-    Client, Collection, Cursor,
+    Client, Collection,
 };
 use std::collections::HashMap;
 use uuid::Uuid;
@@ -127,11 +127,4 @@ impl Database for MongoDb {
             .await
             .expect("Failed to fetch latest job by given job type"))
     }
-
-    async fn get_all_jobs(&self, job_type: JobType) -> Result<Cursor<JobItem>> {
-        let filter = doc! {
-            "job_type": mongodb::bson::to_bson(&job_type)?,
-        };
-        Ok(self.get_job_collection().find(filter, None).await.expect("Failed to fetch jobs with given  job type"))
-    }
 }
diff --git a/crates/orchestrator/src/jobs/mod.rs b/crates/orchestrator/src/jobs/mod.rs
index 8a06ceb3..5afb4849 100644
--- a/crates/orchestrator/src/jobs/mod.rs
+++ b/crates/orchestrator/src/jobs/mod.rs
@@ -170,7 +170,7 @@ pub async fn verify_job(id: Uuid) -> Result<()> {
 fn get_job_handler(job_type: &JobType) -> Box<dyn Job> {
     match job_type {
         JobType::DataSubmission => Box::new(da_job::DaJob),
-        JobType::SnosRun => Box::new(da_job::DaJob),
+        JobType::SnosRun => Box::new(snos_job::SnosJob),
         _ => unimplemented!("Job type not implemented yet."),
     }
 }
diff --git a/crates/orchestrator/src/jobs/types.rs b/crates/orchestrator/src/jobs/types.rs
index bcd8556b..7640ccad 100644
--- a/crates/orchestrator/src/jobs/types.rs
+++ b/crates/orchestrator/src/jobs/types.rs
@@ -7,7 +7,7 @@ use std::collections::HashMap;
 use uuid::Uuid;
 
 /// An external id.
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 #[serde(untagged)]
 pub enum ExternalId {
     /// A string.
@@ -98,7 +98,7 @@ pub enum JobStatus {
     VerificationFailed,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 pub struct JobItem {
     /// an uuid to identify a job
     #[serde(with = "uuid_1_as_binary")]
diff --git a/crates/orchestrator/src/main.rs b/crates/orchestrator/src/main.rs
index c8a031d8..4df82c94 100644
--- a/crates/orchestrator/src/main.rs
+++ b/crates/orchestrator/src/main.rs
@@ -40,7 +40,7 @@ async fn main() {
 
 async fn start_cron(worker: Box<dyn Worker>, interval: u64) {
     loop {
-        worker.run_worker().await;
+        worker.run_worker().await.expect("Error in running the worker.");
         tokio::time::sleep(tokio::time::Duration::from_secs(interval)).await;
     }
 }
diff --git a/crates/orchestrator/src/tests/jobs/da_job/mod.rs b/crates/orchestrator/src/tests/jobs/da_job/mod.rs
index 81166995..cbb18095 100644
--- a/crates/orchestrator/src/tests/jobs/da_job/mod.rs
+++ b/crates/orchestrator/src/tests/jobs/da_job/mod.rs
@@ -8,6 +8,7 @@ use serde_json::json;
 
 use super::super::common::{default_job_item, init_config};
 use starknet_core::types::{FieldElement, MaybePendingStateUpdate, StateDiff};
+use tracing::log;
 use uuid::Uuid;
 
 use crate::jobs::types::ExternalId;
@@ -55,6 +56,8 @@ async fn test_process_job() {
     da_client.expect_publish_state_diff().times(1).returning(|_| Ok(internal_id.to_string()));
     let config = init_config(Some(format!("http://localhost:{}", server.port())), None, None, Some(da_client)).await;
 
+    log::info!("this is the port {}", server.port());
+
     let state_update = MaybePendingStateUpdate::Update(StateUpdate {
         block_hash: FieldElement::default(),
         new_root: FieldElement::default(),
diff --git a/crates/orchestrator/src/tests/workers/mod.rs b/crates/orchestrator/src/tests/workers/mod.rs
index 0c990586..fc2b53c4 100644
--- a/crates/orchestrator/src/tests/workers/mod.rs
+++ b/crates/orchestrator/src/tests/workers/mod.rs
@@ -1,63 +1,79 @@
 use crate::config::config_force_init;
 use crate::database::MockDatabase;
 use crate::jobs::types::{ExternalId, JobItem, JobStatus, JobType};
-use crate::queue::job_queue::JobQueueMessage;
 use crate::queue::MockQueueProvider;
 use crate::tests::common::init_config;
 use crate::workers::snos::SnosWorker;
 use crate::workers::Worker;
 use da_client_interface::MockDaClient;
 use httpmock::MockServer;
+use mockall::predicate::eq;
 use rstest::rstest;
 use serde_json::json;
 use std::collections::HashMap;
+use std::error::Error;
 use uuid::Uuid;
 
 #[rstest]
+#[case(false)]
+#[case(true)]
 #[tokio::test]
-async fn test_create_job() {
+async fn test_snos_worker(#[case] db_val: bool) -> Result<(), Box<dyn Error>> {
     let server = MockServer::start();
     let da_client = MockDaClient::new();
     let mut db = MockDatabase::new();
     let mut queue = MockQueueProvider::new();
+    let start_job_index;
+    let block;
 
-    // Mocking db functions
-    db.expect_get_latest_job_by_type().returning(|_| Ok(None)).call(JobType::SnosRun).expect("Failed to call.");
-    // Getting jobs for check expectations
-    for i in 1..6 {
-        db.expect_get_job_by_internal_id_and_type()
-            .returning(|_, _| Ok(None))
-            .call(&i.to_string(), &JobType::SnosRun)
-            .expect("Failed to call.");
+    const JOB_PROCESSING_QUEUE: &str = "madara_orchestrator_job_processing_queue";
+
+    // Mocking db function expectations
+    if !db_val {
+        db.expect_get_latest_job_by_type().times(1).with(eq(JobType::SnosRun)).returning(|_| Ok(None));
+        start_job_index = 1;
+        block = 5;
+    } else {
+        let uuid_temp = Uuid::new_v4();
+
+        db.expect_get_latest_job_by_type()
+            .with(eq(JobType::SnosRun))
+            .returning(move |_| Ok(Some(get_job_item_mock_by_id("1".to_string(), uuid_temp.clone()))));
+        block = 6;
+        start_job_index = 2;
     }
 
-    // Creating jobs expectations
-    for i in 1..6 {
+    for i in start_job_index..block + 1 {
+        // Getting jobs for check expectations
+        db.expect_get_job_by_internal_id_and_type()
+            .times(1)
+            .with(eq(i.clone().to_string()), eq(JobType::SnosRun))
+            .returning(|_, _| Ok(None));
+
+        let uuid = Uuid::new_v4();
+
+        // creating jobs call expectations
         db.expect_create_job()
-            .returning(|_| Ok(get_job_item_mock_by_id("1".to_string())))
-            .call(get_job_item_mock_by_id(i.to_string()))
-            .expect("Failed to call");
+            .times(1)
+            .withf(move |item| item.internal_id == i.clone().to_string())
+            .returning(move |_| Ok(get_job_item_mock_by_id(i.clone().to_string(), uuid.clone())));
     }
 
     // Queue function call simulations
-    queue
-        .expect_send_message_to_queue()
-        .returning(|_, _, _| Ok(()))
-        .call(
-            "madara_orchestrator_job_processing_queue".to_string(),
-            serde_json::to_string(&JobQueueMessage { id: Uuid::new_v4() }).unwrap(),
-            None,
-        )
-        .expect("Failed to call");
+    queue.expect_send_message_to_queue().returning(|_, _, _| Ok(())).withf(
+        |queue, _payload, _delay| {
+            queue == JOB_PROCESSING_QUEUE
+        }
+    );
 
     // mock block number (madara) : 5
-    let rpc_response_block_number = 5;
+    let rpc_response_block_number = block;
     let response = json!({ "id": 1,"jsonrpc":"2.0","result": rpc_response_block_number });
-
     let config =
         init_config(Some(format!("http://localhost:{}", server.port())), Some(db), Some(queue), Some(da_client)).await;
     config_force_init(config).await;
 
+
     // mocking block call
     let rpc_block_call_mock = server.mock(|when, then| {
         when.path("/").body_contains("starknet_blockNumber");
@@ -65,14 +81,14 @@ async fn test_create_job() {
     });
 
     let snos_worker = SnosWorker {};
-    snos_worker.run_worker().await;
+    snos_worker.run_worker().await?;
 
     rpc_block_call_mock.assert();
-}
 
-fn get_job_item_mock_by_id(id: String) -> JobItem {
-    let uuid = Uuid::new_v4();
+    Ok(())
+}
 
+fn get_job_item_mock_by_id(id: String, uuid: Uuid) -> JobItem {
     JobItem {
         id: uuid,
         internal_id: id.clone(),
diff --git a/crates/orchestrator/src/workers/mod.rs b/crates/orchestrator/src/workers/mod.rs
index 846d0c8c..7d198c0c 100644
--- a/crates/orchestrator/src/workers/mod.rs
+++ b/crates/orchestrator/src/workers/mod.rs
@@ -1,4 +1,5 @@
 use async_trait::async_trait;
+use std::error::Error;
 
 pub mod proof_registration;
 pub mod proving;
@@ -7,5 +8,5 @@ pub mod update_state;
 
 #[async_trait]
 pub trait Worker: Send + Sync {
-    async fn run_worker(&self);
+    async fn run_worker(&self) -> Result<(), Box<dyn Error>>;
 }
diff --git a/crates/orchestrator/src/workers/proof_registration.rs b/crates/orchestrator/src/workers/proof_registration.rs
index 5ad5bc2d..a51bd412 100644
--- a/crates/orchestrator/src/workers/proof_registration.rs
+++ b/crates/orchestrator/src/workers/proof_registration.rs
@@ -1,5 +1,6 @@
 use crate::workers::Worker;
 use async_trait::async_trait;
+use std::error::Error;
 
 pub struct ProofRegistrationWorker;
 
@@ -8,7 +9,7 @@ impl Worker for ProofRegistrationWorker {
     /// 1. Fetch all blocks with a successful proving job run
     /// 2. Group blocks that have the same proof
     /// 3. For each group, create a proof registration job with from and to block in metadata
-    async fn run_worker(&self) {
+    async fn run_worker(&self) -> Result<(), Box<dyn Error>> {
         todo!()
     }
 }
diff --git a/crates/orchestrator/src/workers/proving.rs b/crates/orchestrator/src/workers/proving.rs
index 9476ea71..61bc19c2 100644
--- a/crates/orchestrator/src/workers/proving.rs
+++ b/crates/orchestrator/src/workers/proving.rs
@@ -1,5 +1,6 @@
 use crate::workers::Worker;
 use async_trait::async_trait;
+use std::error::Error;
 
 pub struct ProvingWorker;
 
@@ -7,7 +8,7 @@ pub struct ProvingWorker;
 impl Worker for ProvingWorker {
     /// 1. Fetch all successful SNOS job runs that don't have a proving job
     /// 2. Create a proving job for each SNOS job run
-    async fn run_worker(&self) {
+    async fn run_worker(&self) -> Result<(), Box<dyn Error>> {
         todo!()
     }
 }
diff --git a/crates/orchestrator/src/workers/snos.rs b/crates/orchestrator/src/workers/snos.rs
index 43575043..6853c6cb 100644
--- a/crates/orchestrator/src/workers/snos.rs
+++ b/crates/orchestrator/src/workers/snos.rs
@@ -5,7 +5,7 @@ use crate::workers::Worker;
 use async_trait::async_trait;
 use starknet::providers::Provider;
 use std::collections::HashMap;
-use tracing::log;
+use std::error::Error;
 
 pub struct SnosWorker;
 
@@ -14,11 +14,10 @@ impl Worker for SnosWorker {
     /// 1. Fetch the latest completed block from the Starknet chain
     /// 2. Fetch the last block that had a SNOS job run.
     /// 3. Create SNOS run jobs for all the remaining blocks
-    // TEST : added config temporarily to test
-    async fn run_worker(&self) {
+    async fn run_worker(&self) -> Result<(), Box<dyn Error>> {
         let config = config().await;
         let provider = config.starknet_client();
-        let latest_block_number = provider.block_number().await.expect("Failed to fetch block number from rpc");
+        let latest_block_number = provider.block_number().await?;
         let latest_block_processed_data = config
             .database()
             .get_latest_job_by_type(JobType::SnosRun)
@@ -27,22 +26,19 @@ impl Worker for SnosWorker {
             .map(|item| item.internal_id)
             .unwrap_or("0".to_string());
 
-        let latest_block_processed: u64 =
-            latest_block_processed_data.parse().expect("Failed to convert block number from JobItem into u64");
+        let latest_block_processed: u64 = latest_block_processed_data.parse()?;
 
         let block_diff = latest_block_number - latest_block_processed;
 
         // if all blocks are processed
         if block_diff == 0 {
-            return;
+            return Ok(());
         }
 
         for x in latest_block_processed + 1..latest_block_number + 1 {
-            create_job(JobType::SnosRun, x.to_string(), HashMap::new())
-                .await
-                .expect("Error : failed to create job for snos workers.");
+            create_job(JobType::SnosRun, x.to_string(), HashMap::new()).await?;
         }
 
-        log::info!("jobs created !!");
+        Ok(())
     }
 }
diff --git a/crates/orchestrator/src/workers/update_state.rs b/crates/orchestrator/src/workers/update_state.rs
index c359e99e..faca16ab 100644
--- a/crates/orchestrator/src/workers/update_state.rs
+++ b/crates/orchestrator/src/workers/update_state.rs
@@ -1,5 +1,6 @@
 use crate::workers::Worker;
 use async_trait::async_trait;
+use std::error::Error;
 
 pub struct UpdateStateWorker;
 
@@ -8,7 +9,7 @@ impl Worker for UpdateStateWorker {
     /// 1. Fetch the last succesful state update job
     /// 2. Fetch all succesful proving jobs covering blocks after the last state update
     /// 3. Create state updates for all the blocks that don't have a state update job
-    async fn run_worker(&self) {
+    async fn run_worker(&self) -> Result<(), Box<dyn Error>> {
         todo!()
     }
 }