diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Refund After Partial Capture/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Refund After Partial Capture/Refunds - Create/event.prerequest.js
index e69de29bb2d1..97b68c987bdf 100644
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Refund After Partial Capture/Refunds - Create/event.prerequest.js	
+++ b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Refund After Partial Capture/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Successful Partial Capture and Refund/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Successful Partial Capture and Refund/Refunds - Create/event.prerequest.js
index e69de29bb2d1..97b68c987bdf 100644
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Successful Partial Capture and Refund/Refunds - Create/event.prerequest.js	
+++ b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario10-Multiple Captures/Successful Partial Capture and Refund/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario11-Save card flow/Refunds - Create Copy/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario11-Save card flow/Refunds - Create Copy/event.prerequest.js
new file mode 100644
index 000000000000..97b68c987bdf
--- /dev/null
+++ b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario11-Save card flow/Refunds - Create Copy/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/.event.meta.json b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/.event.meta.json
deleted file mode 100644
index 688c85746ef1..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/.event.meta.json	
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "eventOrder": [
-    "event.test.js"
-  ]
-}
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/event.test.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/event.test.js
deleted file mode 100644
index c549d5d0c097..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/event.test.js	
+++ /dev/null
@@ -1,55 +0,0 @@
-// Validate status 2xx
-pm.test("[POST]::/refunds - Status code is 2xx", function () {
-  pm.response.to.be.success;
-});
-
-// Validate if response header has matching content-type
-pm.test("[POST]::/refunds - Content-Type is application/json", function () {
-  pm.expect(pm.response.headers.get("Content-Type")).to.include(
-    "application/json",
-  );
-});
-
-// Set response object as internal variable
-let jsonData = {};
-try {
-  jsonData = pm.response.json();
-} catch (e) {}
-
-// pm.collectionVariables - Set refund_id as variable for jsonData.payment_id
-if (jsonData?.refund_id) {
-  pm.collectionVariables.set("refund_id", jsonData.refund_id);
-  console.log(
-    "- use {{refund_id}} as collection variable for value",
-    jsonData.refund_id,
-  );
-} else {
-  console.log(
-    "INFO - Unable to assign variable {{refund_id}}, as jsonData.refund_id is undefined.",
-  );
-}
-
-// Response body should have value "succeeded" for "status"
-if (jsonData?.status) {
-  pm.test(
-    "[POST]::/refunds - Content check if value for 'status' matches 'succeeded'",
-    function () {
-      pm.expect(jsonData.status).to.eql("succeeded");
-    },
-  );
-}
-
-// Response body should have value "540" for "amount"
-if (jsonData?.status) {
-  pm.test(
-    "[POST]::/refunds - Content check if value for 'amount' matches '540'",
-    function () {
-      pm.expect(jsonData.amount).to.eql(540);
-    },
-  );
-}
-
-// Validate the connector
-pm.test("[POST]::/payments - connector", function () {
-  pm.expect(jsonData.connector).to.eql("checkout");
-});
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/request.json b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/request.json
deleted file mode 100644
index d18aaf8befdf..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/request.json	
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-  "method": "POST",
-  "header": [
-    {
-      "key": "Content-Type",
-      "value": "application/json"
-    },
-    {
-      "key": "Accept",
-      "value": "application/json"
-    }
-  ],
-  "body": {
-    "mode": "raw",
-    "options": {
-      "raw": {
-        "language": "json"
-      }
-    },
-    "raw_json_formatted": {
-      "payment_id": "{{payment_id}}",
-      "amount": 540,
-      "reason": "Customer returned product",
-      "refund_type": "instant",
-      "metadata": {
-        "udf1": "value1",
-        "new_customer": "true",
-        "login_date": "2019-09-10T10:11:12Z"
-      }
-    }
-  },
-  "url": {
-    "raw": "{{baseUrl}}/refunds",
-    "host": [
-      "{{baseUrl}}"
-    ],
-    "path": [
-      "refunds"
-    ]
-  },
-  "description": "To create a refund against an already processed payment"
-}
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/response.json b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/response.json
deleted file mode 100644
index fe51488c7066..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Create Copy/response.json	
+++ /dev/null
@@ -1 +0,0 @@
-[]
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/.event.meta.json b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/.event.meta.json
deleted file mode 100644
index 688c85746ef1..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/.event.meta.json	
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "eventOrder": [
-    "event.test.js"
-  ]
-}
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/event.test.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/event.test.js
deleted file mode 100644
index 920a7c47f361..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/event.test.js	
+++ /dev/null
@@ -1,50 +0,0 @@
-// Validate status 2xx
-pm.test("[GET]::/refunds/:id - Status code is 2xx", function () {
-  pm.response.to.be.success;
-});
-
-// Validate if response header has matching content-type
-pm.test("[GET]::/refunds/:id - Content-Type is application/json", function () {
-  pm.expect(pm.response.headers.get("Content-Type")).to.include(
-    "application/json",
-  );
-});
-
-// Set response object as internal variable
-let jsonData = {};
-try {
-  jsonData = pm.response.json();
-} catch (e) {}
-
-// pm.collectionVariables - Set refund_id as variable for jsonData.payment_id
-if (jsonData?.refund_id) {
-  pm.collectionVariables.set("refund_id", jsonData.refund_id);
-  console.log(
-    "- use {{refund_id}} as collection variable for value",
-    jsonData.refund_id,
-  );
-} else {
-  console.log(
-    "INFO - Unable to assign variable {{refund_id}}, as jsonData.refund_id is undefined.",
-  );
-}
-
-// Response body should have value "succeeded" for "status"
-if (jsonData?.status) {
-  pm.test(
-    "[POST]::/refunds - Content check if value for 'status' matches 'succeeded'",
-    function () {
-      pm.expect(jsonData.status).to.eql("succeeded");
-    },
-  );
-}
-
-// Response body should have value "6540" for "amount"
-if (jsonData?.status) {
-  pm.test(
-    "[POST]::/refunds - Content check if value for 'amount' matches '540'",
-    function () {
-      pm.expect(jsonData.amount).to.eql(540);
-    },
-  );
-}
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/request.json b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/request.json
deleted file mode 100644
index 6c28619e8566..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/request.json	
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "method": "GET",
-  "header": [
-    {
-      "key": "Accept",
-      "value": "application/json"
-    }
-  ],
-  "url": {
-    "raw": "{{baseUrl}}/refunds/:id",
-    "host": [
-      "{{baseUrl}}"
-    ],
-    "path": [
-      "refunds",
-      ":id"
-    ],
-    "variable": [
-      {
-        "key": "id",
-        "value": "{{refund_id}}",
-        "description": "(Required) unique refund id"
-      }
-    ]
-  },
-  "description": "To retrieve the properties of a Refund. This may be used to get the status of a previously initiated payment or next action for an ongoing payment"
-}
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/response.json b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/response.json
deleted file mode 100644
index fe51488c7066..000000000000
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario14-Save card payment with manual capture/Refunds - Retrieve Copy/response.json	
+++ /dev/null
@@ -1 +0,0 @@
-[]
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario8-Refund full payment/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario8-Refund full payment/Refunds - Create/event.prerequest.js
index e69de29bb2d1..97b68c987bdf 100644
--- a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario8-Refund full payment/Refunds - Create/event.prerequest.js	
+++ b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario8-Refund full payment/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario9-Partial refund/Refunds - Create-copy/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario9-Partial refund/Refunds - Create-copy/event.prerequest.js
new file mode 100644
index 000000000000..97b68c987bdf
--- /dev/null
+++ b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario9-Partial refund/Refunds - Create-copy/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario9-Partial refund/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario9-Partial refund/Refunds - Create/event.prerequest.js
new file mode 100644
index 000000000000..97b68c987bdf
--- /dev/null
+++ b/postman/collection-dir/checkout/Flow Testcases/Happy Cases/Scenario9-Partial refund/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/QuickStart/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/QuickStart/Refunds - Create/event.prerequest.js
index e69de29bb2d1..97b68c987bdf 100644
--- a/postman/collection-dir/checkout/Flow Testcases/QuickStart/Refunds - Create/event.prerequest.js	
+++ b/postman/collection-dir/checkout/Flow Testcases/QuickStart/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Variation Cases/Scenario6-Refund exceeds amount/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Variation Cases/Scenario6-Refund exceeds amount/Refunds - Create/event.prerequest.js
new file mode 100644
index 000000000000..97b68c987bdf
--- /dev/null
+++ b/postman/collection-dir/checkout/Flow Testcases/Variation Cases/Scenario6-Refund exceeds amount/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file
diff --git a/postman/collection-dir/checkout/Flow Testcases/Variation Cases/Scenario6-Refund for unsuccessful payment/Refunds - Create/event.prerequest.js b/postman/collection-dir/checkout/Flow Testcases/Variation Cases/Scenario6-Refund for unsuccessful payment/Refunds - Create/event.prerequest.js
new file mode 100644
index 000000000000..97b68c987bdf
--- /dev/null
+++ b/postman/collection-dir/checkout/Flow Testcases/Variation Cases/Scenario6-Refund for unsuccessful payment/Refunds - Create/event.prerequest.js	
@@ -0,0 +1,3 @@
+setTimeout(function(){
+    console.log("Sleeping for 3 seconds before next request.");
+}, 3000);
\ No newline at end of file