diff --git a/testdata/ruby/dbRegionTest.rb b/testdata/ruby/dbRegionTest.rb
index c1731e40b..6307673e6 100644
--- a/testdata/ruby/dbRegionTest.rb
+++ b/testdata/ruby/dbRegionTest.rb
@@ -478,15 +478,15 @@ class DBRegion_TestClass < TestBase
     assert_equal(r3b.overlap_check(r1, 15, false, RBA::Region::Projection, nil, 380, 500).to_s, "")
     assert_equal(r3b.overlap_check(r1, 15, false, RBA::Region::Projection, nil, 0, 300).to_s, "(10,10;10,0)/(0,0;0,10);(0,10;10,10)/(10,0;0,0)")
     
-    assert_equal((r1 | r2).merged.isolated_check(25).to_s, "(100,395;100,5)/(120,20;120,380)")
-    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Projection, nil, nil, nil).to_s, "(100,380;100,20)/(120,20;120,380)")
-    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Square, nil, nil, nil).to_s, "(100,400;100,0)/(120,20;120,380)")
-    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, nil, nil).to_s, "(100,395;100,5)/(120,20;120,380)")
-    assert_equal((r1 | r2).merged.isolated_check(25, true, RBA::Region::Euclidian, nil, nil, nil).to_s, "(100,400;100,0)/(120,20;120,380)")
+    assert_equal((r1 | r2).merged.isolated_check(25).to_s, "(120,20;120,380)/(100,395;100,5)")
+    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Projection, nil, nil, nil).to_s, "(120,20;120,380)/(100,380;100,20)")
+    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Square, nil, nil, nil).to_s, "(120,20;120,380)/(100,400;100,0)")
+    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, nil, nil).to_s, "(120,20;120,380)/(100,395;100,5)")
+    assert_equal((r1 | r2).merged.isolated_check(25, true, RBA::Region::Euclidian, nil, nil, nil).to_s, "(120,20;120,380)/(100,400;100,0)")
     assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, 0.0, nil, nil).to_s, "")
     assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, 0, 300).to_s, "")
-    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, 300, 500).to_s, "(100,395;100,5)/(120,20;120,380)")
-    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, 300, nil).to_s, "(100,395;100,5)/(120,20;120,380)")
+    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, 300, 500).to_s, "(120,20;120,380)/(100,395;100,5)")
+    assert_equal((r1 | r2).merged.isolated_check(25, false, RBA::Region::Euclidian, nil, 300, nil).to_s, "(120,20;120,380)/(100,395;100,5)")
 
     assert_equal((r1 | r2).merged.notch_check(25).to_s, "(0,200;50,200)/(50,220;10,220)")
     assert_equal((r1 | r2).merged.notch_check(25, false, RBA::Region::Projection, nil, nil, nil).to_s, "(10,200;50,200)/(50,220;10,220)")
@@ -497,11 +497,11 @@ class DBRegion_TestClass < TestBase
     assert_equal((r1 | r2).merged.notch_check(25, true, RBA::Region::Projection, nil, 40, 50).to_s, "(0,200;50,200)/(50,220;10,220)")
     assert_equal((r1 | r2).merged.notch_check(25, true, RBA::Region::Projection, nil, nil, 40).to_s, "")
 
-    assert_equal((r1 | r2).merged.space_check(25).to_s, "(0,200;50,200)/(50,220;10,220);(120,20;120,380)/(100,395;100,5)")
-    assert_equal((r1 | r2).merged.space_check(25, false, RBA::Region::Projection, nil, nil, nil).to_s, "(10,200;50,200)/(50,220;10,220);(120,20;120,380)/(100,380;100,20)")
-    assert_equal((r1 | r2).merged.space_check(25, true, RBA::Region::Projection, nil, nil, nil).to_s, "(0,200;50,200)/(50,220;10,220);(120,20;120,380)/(100,400;100,0)")
+    assert_equal((r1 | r2).merged.space_check(25).to_s, "(0,200;50,200)/(50,220;10,220);(100,395;100,5)/(120,20;120,380)")
+    assert_equal((r1 | r2).merged.space_check(25, false, RBA::Region::Projection, nil, nil, nil).to_s, "(10,200;50,200)/(50,220;10,220);(100,380;100,20)/(120,20;120,380)")
+    assert_equal((r1 | r2).merged.space_check(25, true, RBA::Region::Projection, nil, nil, nil).to_s, "(0,200;50,200)/(50,220;10,220);(100,400;100,0)/(120,20;120,380)")
     assert_equal((r1 | r2).merged.space_check(25, true, RBA::Region::Projection, 0.0, nil, nil).to_s, "")
-    assert_equal((r1 | r2).merged.space_check(25, true, RBA::Region::Projection, nil, 50, nil).to_s, "(120,20;120,380)/(100,400;100,0)")
+    assert_equal((r1 | r2).merged.space_check(25, true, RBA::Region::Projection, nil, 50, nil).to_s, "(100,400;100,0)/(120,20;120,380)")
     assert_equal((r1 | r2).merged.space_check(25, true, RBA::Region::Projection, nil, nil, 50).to_s, "(0,200;50,200)/(50,220;10,220)")
 
     assert_equal((r1 | r2).merged.width_check(60).to_s, "(120,20;120,380)/(130,380;130,20);(50,200;50,220)/(100,253;100,167)")