diff --git a/ui/src/Components/AlertAck/index.test.tsx b/ui/src/Components/AlertAck/index.test.tsx
index a8e122737..24a719578 100644
--- a/ui/src/Components/AlertAck/index.test.tsx
+++ b/ui/src/Components/AlertAck/index.test.tsx
@@ -126,7 +126,7 @@ describe("<AlertAck />", () => {
       },
     });
     const tree = MountedAlertAck();
-    expect(tree.html()).toBe("");
+    expect(tree.html()).toBeNull();
   });
 
   it("uses faCheck icon when idle", () => {
diff --git a/ui/src/Components/Toast/AppToasts.test.tsx b/ui/src/Components/Toast/AppToasts.test.tsx
index b4d4d6a5c..d76c35ca8 100644
--- a/ui/src/Components/Toast/AppToasts.test.tsx
+++ b/ui/src/Components/Toast/AppToasts.test.tsx
@@ -60,12 +60,12 @@ describe("<AppToasts />", () => {
   it("doesn't render anything when alertStore.info.upgradeNeeded=true", () => {
     alertStore.info.setUpgradeNeeded(true);
     const tree = mount(<AppToasts alertStore={alertStore} />);
-    expect(tree.html()).toBe("");
+    expect(tree.html()).toBeNull();
   });
 
   it("doesn't render anything when there are no notifications to show", () => {
     const tree = mount(<AppToasts alertStore={alertStore} />);
-    expect(tree.html()).toBe("");
+    expect(tree.html()).toBeNull();
   });
 
   it("renders upstream error toasts for each unhealthy upstream", () => {