GDScript: Fix recently merged test not ignoring warnings

modules/gdscript/tests/scripts/analyzer/features/ternary_hard_infer.gd

@@ -4,8 +4,11 @@ func test():
 	var result_hard_int := left_hard_int if true else right_hard_int
 	assert(result_hard_int == 1)
 
+	@warning_ignore("inference_on_variant")
 	var left_hard_variant := 1 as Variant
+	@warning_ignore("inference_on_variant")
 	var right_hard_variant := 2.0 as Variant
+	@warning_ignore("inference_on_variant")
 	var result_hard_variant := left_hard_variant if true else right_hard_variant
 	assert(result_hard_variant == 1)