Moving to node_modules folder to make easier to upgrade

trying to move from Bootstrap 3 to Bootstrap 5

node_modules/fizzy-ui-utils/test/unit/get-parent.js

@@ -0,0 +1,30 @@
+QUnit.test( 'getParent', function( assert ) {
+
+  let getParent = fizzyUIUtils.getParent;
+
+  let gridA = document.querySelector('.grid-a');
+  let itemA1 = document.querySelector('.item-a1');
+
+  let parent = getParent( itemA1, '.grid' );
+  assert.equal( parent, gridA, 'got grid parent from item' );
+
+  parent = getParent( document.querySelector('.span-a3'), '.grid' );
+  assert.equal( parent, gridA, 'got grid parent from span' );
+
+  parent = getParent( itemA1, '#qunit' );
+  assert.ok( parent === undefined, 'parent not tree is undefined' );
+
+  let treeNotInDocument = document.createElement('div');
+  treeNotInDocument.innerHTML =
+    '<div class="a">' +
+      '<div class="a1">' +
+    '</div>';
+
+  parent = getParent( treeNotInDocument.querySelector('.a1'), '.not-found' );
+
+  assert.ok(
+      parent === undefined,
+      'Parent should be `undefined` even when the given tree is not in the document',
+  );
+
+} );