diff --git a/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte b/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
index f134c787ca..5ec66870a8 100644
--- a/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
+++ b/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
@@ -1,4 +1,5 @@
 <script>
+  import { tick } from "svelte"
   import {
     ModalContent,
     TextArea,
@@ -8,7 +9,6 @@
   import { automationStore, selectedAutomation } from "stores/builder"
   import AutomationBlockSetup from "../../SetupPanel/AutomationBlockSetup.svelte"
   import { cloneDeep } from "lodash/fp"
-  import { memo } from "@budibase/frontend-core"
   import { AutomationEventType } from "@budibase/types"
 
   let failedParse = null
@@ -63,8 +63,7 @@
     return true
   }
 
-  const memoTestData = memo(parseTestData($selectedAutomation.data.testData))
-  $: memoTestData.set(parseTestData($selectedAutomation.data.testData))
+  $: testData = testData || parseTestData($selectedAutomation.data.testData)
 
   $: {
     // clone the trigger so we're not mutating the reference
@@ -83,7 +82,7 @@
   $: isError =
     !isTriggerValid(trigger) ||
     !(trigger.schema.outputs.required || []).every(
-      required => $memoTestData?.[required] || required !== "row"
+      required => testData?.[required] || required !== "row"
     )
 
   function parseTestJSON(e) {
@@ -110,11 +109,10 @@
   }
 
   const testAutomation = async () => {
+    // Ensure testData reactiveness is processed
+    await tick()
     try {
-      await automationStore.actions.test(
-        $selectedAutomation.data,
-        $memoTestData
-      )
+      await automationStore.actions.test($selectedAutomation.data, testData)
       $automationStore.showTestPanel = true
     } catch (error) {
       notifications.error(error)
@@ -152,7 +150,7 @@
   {#if selectedValues}
     <div class="tab-content-padding">
       <AutomationBlockSetup
-        testData={$memoTestData}
+        bind:testData
         {schemaProperties}
         isTestModal
         block={trigger}
diff --git a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
index 0d76983c75..b16533c2ca 100644
--- a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
@@ -503,7 +503,15 @@
       row: { "Active": true, "Order Id" : 14, ... }
     })
    */
-  const onChange = Utils.sequential(async update => {
+  const onChange = async update => {
+    if (isTestModal) {
+      testData = update
+    }
+
+    updateAutomation(update)
+  }
+
+  const updateAutomation = Utils.sequential(async update => {
     const request = cloneDeep(update)
     // Process app trigger updates
     if (isTrigger && !isTestModal) {