Fix test

Author: manish-dalal

src/tree-manager/tests/index.test.js

@@ -484,7 +484,8 @@ test('should get matching nodes when using custom search predicate', t => {
       },
     ],
   }
-  const searchPredicate = (node, term) => node.customField && node.customField.toLowerCase().indexOf(term) >= 0
+  const searchPredicate = (node, term) =>
+    node.customField && node.customField.toLowerCase().indexOf(term.toLowerCase()) >= 0
   const manager = new TreeManager({ data: tree, searchPredicate })
   const { allNodesHidden, tree: matchTree } = manager.filterTree('tEaPoT')
   t.false(allNodesHidden)