diff --git a/test-app/tests/unit/system/upload-progress-test.ts b/test-app/tests/unit/system/upload-progress-test.ts
index d92a9472..9ed39014 100644
--- a/test-app/tests/unit/system/upload-progress-test.ts
+++ b/test-app/tests/unit/system/upload-progress-test.ts
@@ -70,6 +70,14 @@ module('Unit | upload progress', function (hooks) {
     );
 
     const steps = [
+      {
+        assertProgressBefore: 0,
+        event: new ProgressEvent('loadstart', {
+          lengthComputable: false,
+          loaded: 0,
+          total: 0,
+        }),
+      },
       {
         assertProgressBefore: 0,
         event: new ProgressEvent('loadstart', {
@@ -175,6 +183,14 @@ module('Unit | upload progress', function (hooks) {
     );
 
     const steps = [
+      {
+        assertProgressBefore: 0,
+        event: new ProgressEvent('loadstart', {
+          lengthComputable: false,
+          loaded: 0,
+          total: 0,
+        }),
+      },
       {
         assertProgressBefore: 0,
         event: new ProgressEvent('loadstart', {
@@ -225,6 +241,14 @@ module('Unit | upload progress', function (hooks) {
     );
 
     const steps = [
+      {
+        assertProgressBefore: 0,
+        event: new ProgressEvent('loadstart', {
+          lengthComputable: false,
+          loaded: 0,
+          total: 0,
+        }),
+      },
       {
         assertProgressBefore: 0,
         event: new ProgressEvent('loadstart', {