This technically isn't a test of `toString`, so remove stuff from the test that it relies upon.

core/tests/swfs/avm1/funky_function_calls/output.txt

@@ -1,40 +1,40 @@
-_level0.childinst
+true
 Is it the global object: false
 Argument 0: Natural function call
 Argument 1: undefined
-[type Object]
+false
 Is it the global object: true
 Argument 0: Apply w/ Undefined
 Argument 1: undefined
-[type Object]
+false
 Is it the global object: true
 Argument 0: Apply w/ Global
 Argument 1: 3
-_level0
+false
 Is it the global object: false
 Argument 0: Apply w/ Parent
 Argument 1: undefined
-_level0
+false
 Is it the global object: false
 Argument 0: Apply w/ Root
 Argument 1: undefined
-[type Object]
+false
 Is it the global object: true
 Argument 0: Call w/ Undefined
 Argument 1: undefined
-[type Object]
+false
 Is it the global object: true
 Argument 0: Call w/ Global
 Argument 1: undefined
-_level0
+false
 Is it the global object: false
 Argument 0: Call w/ Parent
 Argument 1: undefined
-_level0
+false
 Is it the global object: false
 Argument 0: Call w/ Root
 Argument 1: 2
-[type Object]
+false
 Is it the global object: true
 Argument 0: Fake arguments object
 Argument 1: 5