JS: Update test output to reflect Node.toString() change

Author: asgerf

javascript/ql/test/library-tests/EndpointNaming/EndpointNaming.expected

@@ -1,7 +1,7 @@
 testFailures
 ambiguousPreferredPredecessor
-| pack2/lib.js:1:1:3:1 | def moduleImport("pack2").getMember("exports").getMember("lib").getMember("LibClass").getInstance() |
-| pack2/lib.js:8:22:8:34 | def moduleImport("pack2").getMember("exports").getMember("lib").getMember("LibClass").getMember("foo") |
-| pack2/main.js:1:1:3:1 | def moduleImport("pack2").getMember("exports").getMember("MainClass").getInstance() |
+| pack2/lib.js:1:1:3:1 | instance of class A ... ethod\\n} |
+| pack2/lib.js:8:22:8:34 | def function() {} |
+| pack2/main.js:1:1:3:1 | instance of class A ... ethod\\n} |
 ambiguousSinkName
 ambiguousFunctionName