diff --git a/src/shared/services/json-store.service.spec.ts b/src/shared/services/json-store.service.spec.ts
index d36c8859..db2370f1 100644
--- a/src/shared/services/json-store.service.spec.ts
+++ b/src/shared/services/json-store.service.spec.ts
@@ -291,7 +291,7 @@ describe('JsonStoreService', () => {
     service.rollbackLastChange();
   });
 
-  it('shoul set json patches and group them by path', () => {
+  it('should set json patches and group them by path', () => {
     const patches = [
       {
         path: '/p/1',
@@ -335,7 +335,7 @@ describe('JsonStoreService', () => {
     service.setJsonPatches(patches);
   });
 
-  it('shoul return true for parent if a child has a patch', () => {
+  it('should return true for parent if a child has a patch', () => {
     const patches = [
       {
         path: '/parent/children/0',
@@ -351,7 +351,7 @@ describe('JsonStoreService', () => {
     expect(service.hasPatchOrChildrenHavePatch('/parent')).toBe(true);
   });
 
-  it('shoul return true for parent if it has a patch', () => {
+  it('should return true for parent if it has a patch', () => {
     const patches = [
       {
         path: '/parent',
@@ -367,7 +367,7 @@ describe('JsonStoreService', () => {
     expect(service.hasPatchOrChildrenHavePatch('/parent')).toBe(true);
   });
 
-  it('shoul return false for parent if it or a child does not have a patch', () => {
+  it('should return false for parent if it or a child does not have a patch', () => {
     const patches = [
       {
         path: '/other/thing',
@@ -377,4 +377,10 @@ describe('JsonStoreService', () => {
     service.setJsonPatches(patches);
     expect(service.hasPatchOrChildrenHavePatch('/parent')).toBe(false);
   });
+
+  it('should return false if patch is undefiled', () => {
+    const patches = undefined;
+    service.setJsonPatches(patches);
+    expect(service.hasPatchOrChildrenHavePatch('/parent')).toBe(false);
+  });
 });