Add missing icons, test for missing icons in rules

tests/unit/utils/osm-icons-test.js

@@ -1,4 +1,5 @@
-import { getIconNameForTags } from 'marco/utils/osm-icons';
+import { getIconNameForTags, POI_ICON_RULES } from 'marco/utils/osm-icons';
+import { getIcon } from 'marco/utils/icons';
 import { module, test } from 'qunit';
 
 module('Unit | Utility | osm-icons', function () {
@@ -36,4 +37,14 @@ module('Unit | Utility | osm-icons', function () {
     let result = getIconNameForTags({ foo: 'bar' });
     assert.strictEqual(result, null);
   });
+
+  test('all icons used in POI_ICON_RULES exist in the icons utility', function (assert) {
+    for (let rule of POI_ICON_RULES) {
+      let icon = getIcon(rule.icon);
+      assert.ok(
+        icon,
+        `Icon "${rule.icon}" specified in POI_ICON_RULES should be imported and available in getIcon`
+      );
+    }
+  });
 });