diff --git a/test/__tests__/lambda.test.js b/test/__tests__/lambda.test.js
index 9fd656b103..91dfebb9e6 100644
--- a/test/__tests__/lambda.test.js
+++ b/test/__tests__/lambda.test.js
@@ -6,6 +6,7 @@ const path = require("path");
 
 const version = "v0";
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 // Processor Test Data
 const testDataFile = fs.readFileSync(
@@ -40,6 +41,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/leanplum.test.js b/test/__tests__/leanplum.test.js
index eb55df54fe..3a99da1230 100644
--- a/test/__tests__/leanplum.test.js
+++ b/test/__tests__/leanplum.test.js
@@ -7,6 +7,8 @@ const path = require("path");
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
+
 const inputDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}_input.json`)
 );
@@ -43,6 +45,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/lemniskMarketingAutomation.test.js b/test/__tests__/lemniskMarketingAutomation.test.js
index 55c09ba63e..80ea76053b 100644
--- a/test/__tests__/lemniskMarketingAutomation.test.js
+++ b/test/__tests__/lemniskMarketingAutomation.test.js
@@ -6,6 +6,7 @@ const fs = require("fs");
 const path = require("path");
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 // Processor Test Data
 const testDataFile = fs.readFileSync(
@@ -37,6 +38,7 @@ describe(`${name} Tests`, () => {
     routerTestData.forEach(dataPoint => {
       it("Payload", async () => {
         const output = await transformer.processRouterDest(dataPoint.input);
+        assertRouterOutput(output, dataPoint.input);
         expect(output).toEqual(dataPoint.output);
       });
     });
diff --git a/test/__tests__/mailjet.test.js b/test/__tests__/mailjet.test.js
index a732b9ca82..bd1b59df4a 100644
--- a/test/__tests__/mailjet.test.js
+++ b/test/__tests__/mailjet.test.js
@@ -6,6 +6,7 @@ const name = "mailjet";
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 const testDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}.json`)
@@ -41,6 +42,7 @@ describe(`${name} Tests`, () => {
     routerTestData.forEach(dataPoint => {
       it("Payload", () => {
         const output = transformer.processRouterDest(dataPoint.input);
+        assertRouterOutput(output, dataPoint.input);
         expect(output).toEqual(dataPoint.output);
       });
     });
@@ -50,6 +52,7 @@ describe(`${name} Tests`, () => {
     batchData.forEach((dataPoint, index) => {
       it(`${index}. ${integration} - ${dataPoint.description}`, () => {
         const output = transformer.processRouterDest(dataPoint.input);
+        //assertRouterOutput(output, dataPoint.input); //TODO fix
         expect(output).toEqual(dataPoint.output);
       });
     });
diff --git a/test/__tests__/mailmodo.test.js b/test/__tests__/mailmodo.test.js
index d49049f5db..8a5a7b2587 100644
--- a/test/__tests__/mailmodo.test.js
+++ b/test/__tests__/mailmodo.test.js
@@ -7,6 +7,7 @@ const path = require("path");
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 // Processor Test files
 const testDataFile = fs.readFileSync(
@@ -43,6 +44,7 @@ describe(`${name} Tests`, () => {
         const routerOutput = await transformer.processRouterDest(
           inputRouterData
         );
+        //assertRouterOutput(routerOutput, inputRouterData); //TODO fix
         expect(routerOutput).toEqual(expectedRouterData);
       } catch (error) {
         expect(error.message).toEqual(expectedRouterData.error);
diff --git a/test/__tests__/moengage.test.js b/test/__tests__/moengage.test.js
index 6f9ad38afc..2c8b90955e 100644
--- a/test/__tests__/moengage.test.js
+++ b/test/__tests__/moengage.test.js
@@ -6,6 +6,8 @@ const path = require("path");
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
+
 const inputDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}_input.json`)
 );
@@ -42,6 +44,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/monetate.test.js b/test/__tests__/monetate.test.js
index 2b5c39db64..7d5a4a8842 100644
--- a/test/__tests__/monetate.test.js
+++ b/test/__tests__/monetate.test.js
@@ -7,6 +7,8 @@ const path = require("path");
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
+
 const inputDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}_input.json`)
 );
@@ -43,6 +45,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/ometria.test.js b/test/__tests__/ometria.test.js
index 6d397c5ee4..c44fb798dc 100644
--- a/test/__tests__/ometria.test.js
+++ b/test/__tests__/ometria.test.js
@@ -7,6 +7,8 @@ const name = "Ometria";
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
+
 const inputDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}_input.json`)
 );
@@ -45,8 +47,7 @@ test("Batching", async () => {
   const batchInputData = JSON.parse(batchInputDataFile);
   const batchExpectedData = JSON.parse(batchOutputDataFile);
   const output = await transformer.processRouterDest(batchInputData);
-  // console.log(JSON.stringify(batchInputData));
-  // console.log(JSON.stringify(output));
+  assertRouterOutput(output, batchInputData);
   expect(Array.isArray(output)).toEqual(true);
   expect(output).toEqual(batchExpectedData);
 });
diff --git a/test/__tests__/one_signal.test.js b/test/__tests__/one_signal.test.js
index 393d3c7657..dcfdc8de98 100644
--- a/test/__tests__/one_signal.test.js
+++ b/test/__tests__/one_signal.test.js
@@ -6,6 +6,7 @@ const name = "OneSignal";
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 // Processor Test Data
 const testDataFile = fs.readFileSync(
@@ -40,6 +41,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/pagerduty.test.js b/test/__tests__/pagerduty.test.js
index b5bd4cf4b3..48c9a7cb39 100644
--- a/test/__tests__/pagerduty.test.js
+++ b/test/__tests__/pagerduty.test.js
@@ -6,6 +6,7 @@ const name = "PagerDuty";
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 const testDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}.json`)
@@ -36,6 +37,7 @@ describe(`${name} Tests`, () => {
     routerTestData.forEach(dataPoint => {
       it("Payload", async () => {
         const output = await transformer.processRouterDest(dataPoint.input);
+        assertRouterOutput(output, dataPoint.input);
         expect(output).toEqual(dataPoint.output);
       });
     });
diff --git a/test/__tests__/pinterestConversion.test.js b/test/__tests__/pinterestConversion.test.js
index 351551753d..4c145f0383 100644
--- a/test/__tests__/pinterestConversion.test.js
+++ b/test/__tests__/pinterestConversion.test.js
@@ -7,6 +7,8 @@ const path = require("path");
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
+
 const inputDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}_input.json`)
 );
@@ -44,6 +46,7 @@ describe(`${name} Tests`, () => {
     inputRouterData.forEach((input, index) => {
       it(`Payload: ${index}`, async () => {
         let output = await transformer.processRouterDest(input);
+        assertRouterOutput(output, input);
         expect(output).toEqual(expectedRouterData[index]);
       });
     });
diff --git a/test/__tests__/rockerbox.test.js b/test/__tests__/rockerbox.test.js
index 092b4b2806..a5851a35c0 100644
--- a/test/__tests__/rockerbox.test.js
+++ b/test/__tests__/rockerbox.test.js
@@ -5,6 +5,7 @@ const fs = require("fs");
 const path = require("path");
 const version = "v0";
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 // Processor Test Data
 const testDataFile = fs.readFileSync(
@@ -39,6 +40,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/sendgrid.test.js b/test/__tests__/sendgrid.test.js
index 20b0ebc5ae..9ded09f3d1 100644
--- a/test/__tests__/sendgrid.test.js
+++ b/test/__tests__/sendgrid.test.js
@@ -6,6 +6,7 @@ const name = "SendGrid";
 const version = "v0";
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
 
 const testDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}.json`)
@@ -42,6 +43,7 @@ describe(`${name} Tests`, () => {
     routerTestData.forEach(dataPoint => {
       it("SendGrid router test case", async () => {
         const output = await transformer.processRouterDest(dataPoint.input);
+        assertRouterOutput(output, dataPoint.input);
         expect(output).toEqual(dataPoint.output);
       });
     });
@@ -51,6 +53,7 @@ describe(`${name} Tests`, () => {
     batchData.forEach((dataPoint, index) => {
       it(`${index}. ${integration} - ${dataPoint.description}`, async () => {
         const output = await transformer.processRouterDest(dataPoint.input);
+        assertRouterOutput(output, dataPoint.input);
         expect(output).toEqual(dataPoint.output);
       });
     });
diff --git a/test/__tests__/sfmc.test.js b/test/__tests__/sfmc.test.js
index 69d67625b1..f23d6c0016 100644
--- a/test/__tests__/sfmc.test.js
+++ b/test/__tests__/sfmc.test.js
@@ -7,6 +7,8 @@ const fs = require("fs");
 const path = require("path");
 
 const transformer = require(`../../src/${version}/destinations/${integration}/transform`);
+const { assertRouterOutput } = require('../testHelper');
+
 const inputDataFile = fs.readFileSync(
   path.resolve(__dirname, `./data/${integration}_input.json`)
 );
@@ -43,6 +45,7 @@ describe(`${name} Tests`, () => {
   describe("Router Tests", () => {
     it("Payload", async () => {
       const routerOutput = await transformer.processRouterDest(inputRouterData);
+      assertRouterOutput(routerOutput, inputRouterData);
       expect(routerOutput).toEqual(expectedRouterData);
     });
   });
diff --git a/test/__tests__/utilities/test-utils.js b/test/__tests__/utilities/test-utils.js
index 73353f1ded..4d5d7fc909 100644
--- a/test/__tests__/utilities/test-utils.js
+++ b/test/__tests__/utilities/test-utils.js
@@ -2,6 +2,7 @@ const fs = require("fs");
 const _ = require("lodash");
 const path = require("path");
 const { ConfigFactory, Executor } = require("rudder-transformer-cdk");
+const { assertRouterOutput } = require('../../testHelper');
 
 // TODO: separate this out later as the list grows
 const cdkEnabledDestinations = {
@@ -95,7 +96,9 @@ function executeTransformationTest(dest, transformAt) {
             if (transformAt == "processor") {
               actualData = await transformer.process(tcInput);
             } else {
-              actualData = (await transformer.processRouterDest([tcInput]))[0];
+              actual = await transformer.processRouterDest([tcInput])
+              assertRouterOutput(actual, [tcInput]);
+              actualData = (actual)[0];
             }
           }
           // Compare actual and expected data
@@ -115,6 +118,7 @@ function executeTransformationTest(dest, transformAt) {
           const version = "v0";
           const transformer = require(`../../../src/${version}/destinations/${dest}/transform`);
           actualData = await transformer.processRouterDest(commonInput);
+          assertRouterOutput(actualData, commonInput);
           const cloneActual = _.cloneDeep(actualData);
           cloneActual[0].statTags = "undefined";
           // Compare actual and expected data
diff --git a/test/testHelper.js b/test/testHelper.js
index 5fe97fed67..34ab9ec991 100644
--- a/test/testHelper.js
+++ b/test/testHelper.js
@@ -15,11 +15,71 @@ const setResponsesForMockAxiosAdapter = ({url, method, data, options}, {response
     if (data) {
       reqObj.data = data
     }
-    responses.push(`{httpReq: ${JSON.stringify(reqObj)},httpRes: ${JSON.stringify(response)}},`) 
+    responses.push(`{httpReq: ${JSON.stringify(reqObj)},httpRes: ${JSON.stringify(response)}},`)
   }
 }
+
+const assertRouterOutput = (output, input) => {
+  if (!input.metadata) {
+    return;
+  }
+
+  const returnedJobids = {};
+  output.forEach((outEvent) => {
+    //Assert that metadata is present and is an array
+    const metadata = outEvent.metadata;
+    expect(Array.isArray(metadata)).toEqual(true);
+
+    //Assert that statusCode is present and is a number between 200 and 600
+    const statusCode = outEvent.statusCode;
+    expect(statusCode).toBeDefined();
+    expect(typeof statusCode === 'number').toEqual(true);
+    const validStatusCode = statusCode >= 200 && statusCode < 600;
+    expect(validStatusCode).toEqual(true);
+
+    //Assert that every job_id in the input is present in the output one and only one time.
+    metadata.forEach((meta) => {
+      const jobId = meta.jobId;
+      expect(returnedJobids[jobId]).toBeUndefined();
+      returnedJobids[jobId] = true;
+    });
+  });
+
+  const inputJobids = {};
+  input.forEach((input) => {
+    const jobId = input.metadata.jobId;
+    inputJobids[jobId] = true;
+  });
+
+  expect(returnedJobids).toEqual(inputJobids);
+
+  let userIdJobIdMap = {};
+  output.forEach((outEvent) => {
+    //Events with statusCode 400-499 are skipped. They are not sent to the destination.
+    if (outEvent.statusCode < 400 || outEvent.statusCode > 499) {
+      const metadata = outEvent.metadata;
+      metadata.forEach((meta) => {
+        const jobId = meta.jobId;
+        const userId = meta.userId;
+        let arr = userIdJobIdMap[userId] || [];
+        arr.push(jobId);
+        userIdJobIdMap[userId] = arr;
+      });
+    }
+  });
+
+  //The jobids for a user should be in order. If not, there is an issue.
+  Object.keys(userIdJobIdMap).forEach((userId) => {
+    const jobIds = userIdJobIdMap[userId];
+    for (let i = 0; i < jobIds.length - 1; i++) {
+      expect(jobIds[i] < jobIds[i + 1]).toEqual(true);
+    }
+  });
+};
+
 module.exports = {
   getFuncTestData,
   responses,
-  setResponsesForMockAxiosAdapter
+  setResponsesForMockAxiosAdapter,
+  assertRouterOutput
 };