Updated tests to account for modifiers inside AbstractPolyNodes

testdata/scad/features/background-modifier.scad

@@ -8,3 +8,9 @@ difference() {
   color("green") cube([10,4,10], center=true);
   color("red") translate([0,-2,0]) sphere(3);
 }
+
+// Test modifiers work with minkowski children
+translate([25,0,0]) minkowski() {
+      %cube(10, center=true);
+      cube(5, center=true);
+}

tests/regression/dumptest/background-modifier-expected.csg

@@ -18,4 +18,10 @@ group() {
 			}
 		}
 	}
+	multmatrix([[1, 0, 0, 25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+		minkowski(convexity = 0) {
+			%cube(size = [10, 10, 10], center = true);
+			cube(size = [5, 5, 5], center = true);
+		}
+	}
 }