diff --git a/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte b/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
index 5ec66870a8..eebd977e6c 100644
--- a/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
+++ b/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
@@ -46,7 +46,7 @@
       }
     } else {
       // Leave the core data as it is
-      return testData
+      return cloneDeep(testData)
     }
   }
 
@@ -63,7 +63,10 @@
     return true
   }
 
-  $: testData = testData || parseTestData($selectedAutomation.data.testData)
+  $: currentTestData = $selectedAutomation.data.testData
+
+  // Can be updated locally to avoid race condition when testing
+  $: testData = parseTestData(currentTestData)
 
   $: {
     // clone the trigger so we're not mutating the reference
@@ -85,7 +88,7 @@
       required => testData?.[required] || required !== "row"
     )
 
-  function parseTestJSON(e) {
+  async function parseTestJSON(e) {
     let jsonUpdate
 
     try {
@@ -105,7 +108,9 @@
       }
     }
 
-    automationStore.actions.addTestDataToAutomation(jsonUpdate)
+    const updatedAuto =
+      automationStore.actions.addTestDataToAutomation(jsonUpdate)
+    await automationStore.actions.save(updatedAuto)
   }
 
   const testAutomation = async () => {
@@ -150,10 +155,14 @@
   {#if selectedValues}
     <div class="tab-content-padding">
       <AutomationBlockSetup
-        bind:testData
         {schemaProperties}
         isTestModal
+        {testData}
         block={trigger}
+        on:update={e => {
+          const { testData: updatedTestData } = e.detail
+          testData = updatedTestData
+        }}
       />
     </div>
   {/if}
@@ -162,7 +171,7 @@
       <TextArea
         value={JSON.stringify($selectedAutomation.data.testData, null, 2)}
         error={failedParse}
-        on:change={e => parseTestJSON(e)}
+        on:change={async e => await parseTestJSON(e)}
       />
     </div>
   {/if}
diff --git a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
index b901d21a6d..3faf9140f4 100644
--- a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
@@ -48,7 +48,7 @@
   import { QueryUtils, Utils, search, memo } from "@budibase/frontend-core"
   import { getSchemaForDatasourcePlus } from "dataBinding"
   import { TriggerStepID, ActionStepID } from "constants/backend/automations"
-  import { onMount } from "svelte"
+  import { onMount, createEventDispatcher } from "svelte"
   import { writable } from "svelte/store"
   import { cloneDeep } from "lodash/fp"
   import {
@@ -67,6 +67,8 @@
   export let isTestModal = false
   export let bindings = []
 
+  const dispatch = createEventDispatcher()
+
   // Stop unnecessary rendering
   const memoBlock = memo(block)
 
@@ -503,15 +505,7 @@
       row: { "Active": true, "Order Id" : 14, ... }
     })
    */
-  const onChange = async update => {
-    if (isTestModal) {
-      testData = update
-    }
-
-    updateAutomation(update)
-  }
-
-  const updateAutomation = Utils.sequential(async update => {
+  const onChange = Utils.sequential(async update => {
     const request = cloneDeep(update)
     // Process app trigger updates
     if (isTrigger && !isTestModal) {
@@ -540,7 +534,9 @@
     }
     try {
       if (isTestModal) {
-        let newTestData = { schema }
+        // Be sure to merge in the testData prop data, as it can contain custom
+        // default data
+        let newTestData = { schema, ...testData }
 
         // Special case for webhook, as it requires a body, but the schema already brings back the body's contents
         if (stepId === TriggerStepID.WEBHOOK) {
@@ -557,7 +553,13 @@
           ...request,
         }
 
-        await automationStore.actions.addTestDataToAutomation(newTestData)
+        const updatedAuto =
+          automationStore.actions.addTestDataToAutomation(newTestData)
+
+        // Ensure the test request has the latest info.
+        dispatch("update", updatedAuto)
+
+        await automationStore.actions.save(updatedAuto)
       } else {
         const data = { schema, ...request }
         await automationStore.actions.updateBlockInputs(block, data)
diff --git a/packages/builder/src/stores/builder/automations.js b/packages/builder/src/stores/builder/automations.js
index b7d55ee2d4..e6a27f5dcc 100644
--- a/packages/builder/src/stores/builder/automations.js
+++ b/packages/builder/src/stores/builder/automations.js
@@ -880,13 +880,13 @@ const automationActions = store => ({
       appId,
     })
   },
-  addTestDataToAutomation: async data => {
+  addTestDataToAutomation: data => {
     let newAutomation = cloneDeep(get(selectedAutomation).data)
     newAutomation.testData = {
       ...newAutomation.testData,
       ...data,
     }
-    await store.actions.save(newAutomation)
+    return newAutomation
   },
   constructBlock(type, stepId, blockDefinition) {
     let newName