skip lltm test if code not compiled

[rijobro]

Fixes #1172.

Description

LLTM test shouldn't be run if code hasn't been compiled

Status

Ready

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).

[wyli]

perhaps we could have a skip_if_no_compile decorator, like

MONAI/tests/utils.py

Lines 29 to 32 in d0b6677

	def skip_if_quick(obj):
	is_quick = os.environ.get(quick_test_var, "").lower() == "true"
	return unittest.skipIf(is_quick, "Skipping slow tests")(obj)

[rijobro]

Good point, updated.