diff --git a/tests/actions/IOUTest.js b/tests/actions/IOUTest.js
index 3df3b137bab..63fd7a0dd78 100644
--- a/tests/actions/IOUTest.js
+++ b/tests/actions/IOUTest.js
@@ -1638,7 +1638,7 @@ describe('actions/IOU', () => {
 
             expect(resultAction.message).toEqual(REPORT_ACTION.message);
             expect(resultAction.person).toEqual(REPORT_ACTION.person);
-            expect(resultAction.pendingAction).toBeNull();
+            expect(resultAction.pendingAction).toBeUndefined();
 
             await waitForBatchedUpdates();
 
@@ -1647,7 +1647,7 @@ describe('actions/IOU', () => {
 
             // Then check the loading state of our action
             const resultActionAfterUpdate = reportActions[reportActionID];
-            expect(resultActionAfterUpdate.pendingAction).toBeNull();
+            expect(resultActionAfterUpdate.pendingAction).toBeUndefined();
 
             // When we attempt to delete a money request from the IOU report
             fetch.pause();
@@ -1818,7 +1818,7 @@ describe('actions/IOU', () => {
             // Then the report should have 2 actions
             expect(_.size(reportActions)).toBe(2);
             const resultActionAfter = reportActions[reportActionID];
-            expect(resultActionAfter.pendingAction).toBeNull();
+            expect(resultActionAfter.pendingAction).toBeUndefined();
 
             fetch.pause();
             // When deleting money request
@@ -1903,7 +1903,7 @@ describe('actions/IOU', () => {
 
             expect(resultAction.message).toEqual(REPORT_ACTION.message);
             expect(resultAction.person).toEqual(REPORT_ACTION.person);
-            expect(resultAction.pendingAction).toBeNull();
+            expect(resultAction.pendingAction).toBeUndefined();
 
             await waitForBatchedUpdates();
 
@@ -1913,7 +1913,7 @@ describe('actions/IOU', () => {
             let resultActionAfterUpdate = reportActions[reportActionID];
 
             // Verify that our action is no longer in the loading state
-            expect(resultActionAfterUpdate.pendingAction).toBeNull();
+            expect(resultActionAfterUpdate.pendingAction).toBeUndefined();
 
             await waitForBatchedUpdates();
 
@@ -1935,7 +1935,7 @@ describe('actions/IOU', () => {
 
             expect(resultAction.message).toEqual(REPORT_ACTION.message);
             expect(resultAction.person).toEqual(REPORT_ACTION.person);
-            expect(resultAction.pendingAction).toBeNull();
+            expect(resultAction.pendingAction).toBeUndefined();
 
             await waitForBatchedUpdates();
 
@@ -1945,7 +1945,7 @@ describe('actions/IOU', () => {
             resultActionAfterUpdate = reportActions[reportActionID];
 
             // Verify that our action is no longer in the loading state
-            expect(resultActionAfterUpdate.pendingAction).toBeNull();
+            expect(resultActionAfterUpdate.pendingAction).toBeUndefined();
 
             fetch.pause();
             // When we delete the money request
diff --git a/tests/actions/ReportTest.js b/tests/actions/ReportTest.js
index 06d8304111c..aab454228d0 100644
--- a/tests/actions/ReportTest.js
+++ b/tests/actions/ReportTest.js
@@ -92,7 +92,7 @@ describe('actions/Report', () => {
 
                 expect(resultAction.message).toEqual(REPORT_ACTION.message);
                 expect(resultAction.person).toEqual(REPORT_ACTION.person);
-                expect(resultAction.pendingAction).toBeNull();
+                expect(resultAction.pendingAction).toBeUndefined();
 
                 // We subscribed to the Pusher channel above and now we need to simulate a reportComment action
                 // Pusher event so we can verify that action was handled correctly and merged into the reportActions.
@@ -129,7 +129,7 @@ describe('actions/Report', () => {
                 const resultAction = reportActions[reportActionID];
 
                 // Verify that our action is no longer in the loading state
-                expect(resultAction.pendingAction).toBeNull();
+                expect(resultAction.pendingAction).toBeUndefined();
             });
     });
 
@@ -607,7 +607,7 @@ describe('actions/Report', () => {
                 // Expect the reaction to have null where the users reaction used to be
                 expect(reportActionsReactions).toHaveProperty(`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_REACTIONS}${reportActionID}`);
                 const reportActionReaction = reportActionsReactions[`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_REACTIONS}${reportActionID}`];
-                expect(reportActionReaction[EMOJI.name].users[TEST_USER_ACCOUNT_ID]).toBeNull();
+                expect(reportActionReaction[EMOJI.name].users[TEST_USER_ACCOUNT_ID]).toBeUndefined();
             })
             .then(() => {
                 reportAction = _.first(_.values(reportActions));
@@ -649,7 +649,7 @@ describe('actions/Report', () => {
                         // Expect the reaction to have null where the users reaction used to be
                         expect(reportActionsReactions).toHaveProperty(`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_REACTIONS}${reportActionID}`);
                         const reportActionReaction = reportActionsReactions[`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_REACTIONS}${reportActionID}`];
-                        expect(reportActionReaction[EMOJI.name].users[TEST_USER_ACCOUNT_ID]).toBeNull();
+                        expect(reportActionReaction[EMOJI.name].users[TEST_USER_ACCOUNT_ID]).toBeUndefined();
                     });
             });
     });
@@ -716,7 +716,7 @@ describe('actions/Report', () => {
                 // Expect the reaction to have null where the users reaction used to be
                 expect(reportActionsReactions).toHaveProperty(`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_REACTIONS}${resultAction.reportActionID}`);
                 const reportActionReaction = reportActionsReactions[`${ONYXKEYS.COLLECTION.REPORT_ACTIONS_REACTIONS}${resultAction.reportActionID}`];
-                expect(reportActionReaction[EMOJI.name].users[TEST_USER_ACCOUNT_ID]).toBeNull();
+                expect(reportActionReaction[EMOJI.name].users[TEST_USER_ACCOUNT_ID]).toBeUndefined();
             });
     });
 });