Bypass Python tests not supported by -builtin

The base class is needed for the builtin class hierarchy, like many
other languages

Examples/test-suite/python/Makefile.in

@@ -87,7 +87,6 @@ C_TEST_CASES += \
 include $(srcdir)/../common.mk
 
 BUILTIN_BROKEN = \
-    import_nomodule.cpptest \
     python_abstractbase.cpptest \
 
 BUILTIN_NOT_BROKEN = $(filter-out $(BUILTIN_BROKEN),$(NOT_BROKEN_TEST_CASES))

Examples/test-suite/python/import_nomodule_runme.py

@@ -1,5 +1,10 @@
 from import_nomodule import *
 
+# This test is expected to fail with -builtin option.
+# The base class is needed for the builtin class hierarchy
+if is_python_builtin():
+  exit(0)
+
 f = create_Foo()
 test1(f,42)
 delete_Foo(f)