Migrate OSM cache to localForage/IndexedDB

We don't want to hit limits with localStorage, and it's non-blocking

tests/helpers/index.js

@@ -4,6 +4,7 @@ import {
   setupTest as upstreamSetupTest,
 } from 'ember-qunit';
 import { setupNostrMocks } from './mock-nostr';
+import { setupLocalForageMock } from './mock-local-forage';
 import sinon from 'sinon';
 
 function setupMapStyleMocks(hooks) {
@@ -98,6 +99,7 @@ function setupMapStyleMocks(hooks) {
 function setupApplicationTest(hooks, options) {
   upstreamSetupApplicationTest(hooks, options);
   setupNostrMocks(hooks);
+  setupLocalForageMock(hooks);
   setupMapStyleMocks(hooks);
 
   // Additional setup for application tests can be done here.
@@ -119,6 +121,7 @@ function setupApplicationTest(hooks, options) {
 function setupRenderingTest(hooks, options) {
   upstreamSetupRenderingTest(hooks, options);
   setupNostrMocks(hooks);
+  setupLocalForageMock(hooks);
 
   // Additional setup for rendering tests can be done here.
 }
@@ -126,6 +129,7 @@ function setupRenderingTest(hooks, options) {
 function setupTest(hooks, options) {
   upstreamSetupTest(hooks, options);
   setupNostrMocks(hooks);
+  setupLocalForageMock(hooks);
 
   // Additional setup for unit tests can be done here.
 }