[GR-15245] TCK: Python Lambdas are objects.

PullRequest: graalpython/488

Author: timfel

graalpython/com.oracle.graal.python.tck/src/com/oracle/graal/python/tck/PythonProvider.java

@@ -134,8 +134,8 @@ public Collection<? extends Snippet> createValueConstructors(Context context) {
         addValueSnippet(context, snippets, "DictType:KeyNumber",   OBJECT,     "lambda: {1: 'Bacon', 0: 'Ham'}");
 
         // TODO remove '*args' from following value constructors once this is fixed in Truffle TCK
-        addValueSnippet(context, snippets, "LambdaType:Id",     executable(ANY, ANY),     "lambda: lambda x, *args: x");
-        addValueSnippet(context, snippets, "LambdaType:+1",     executable(NUMBER, NUMBER),     "lambda: lambda x, *args: x + 1");
+        addValueSnippet(context, snippets, "LambdaType:Id",     intersection(OBJECT, executable(ANY, ANY)),     "lambda: lambda x, *args: x");
+        addValueSnippet(context, snippets, "LambdaType:+1",     intersection(OBJECT, executable(NUMBER, NUMBER)),     "lambda: lambda x, *args: x + 1");
 
         // @formatter:on
         return snippets;