Fix the browser back button in Open MCT (#3526)

Fixes Open MCT back button.

Co-authored-by: Joshi <simplyrender@gmail.com>

src/api/actions/ActionCollectionSpec.js

@@ -119,7 +119,8 @@ describe('The ActionCollection', () => {
 
     afterEach(() => {
         actionCollection.destroy();
-        resetApplicationState(openmct);
+
+        return resetApplicationState(openmct);
     });
 
     describe("disable method invoked with action keys", () => {

src/api/actions/ActionsAPISpec.js

@@ -99,7 +99,7 @@ describe('The Actions API', () => {
     });
 
     afterEach(() => {
-        resetApplicationState(openmct);
+        return resetApplicationState(openmct);
     });
 
     describe("register method", () => {

src/api/menu/MenuAPISpec.js

@@ -76,7 +76,7 @@ describe ('The Menu API', () => {
     });
 
     afterEach(() => {
-        resetApplicationState(openmct);
+        return resetApplicationState(openmct);
     });
 
     describe("showMenu method", () => {

src/api/status/StatusAPISpec.js

@@ -22,7 +22,7 @@ describe("The Status API", () => {
     });
 
     afterEach(() => {
-        resetApplicationState(openmct);
+        return resetApplicationState(openmct);
     });
 
     describe("set function", () => {