Added missing tests import

test/index.spec.ts

@@ -28,6 +28,7 @@ import './unit-tests/node/node-appender/NodeAppender.spec';
 import './unit-tests/node/node-guards/NodeGuards.spec';
 import './unit-tests/node/node-metadata/NodeMetadata.spec';
 import './unit-tests/node/node-lexical-scope-utils/NodeLexicalScopeUtils.spec';
+import './unit-tests/node/node-literal-utils/NodeLiteralUtils.spec';
 import './unit-tests/node/node-statement-utils/NodeStatementUtils.spec';
 import './unit-tests/node/node-utils/NodeUtils.spec';
 import './unit-tests/node-transformers/preparing-transformers/ObfuscatingGuardsTransformer.spec';