diff --git a/test/algorithms/set_operations/difference/difference.cpp b/test/algorithms/set_operations/difference/difference.cpp
index e29392f4e..51ff33a2b 100644
--- a/test/algorithms/set_operations/difference/difference.cpp
+++ b/test/algorithms/set_operations/difference/difference.cpp
@@ -63,6 +63,11 @@ void test_all()
     sym_settings.sym_difference = false;
 #endif
 
+    ut_settings ignore_validity_settings;
+#ifndef BOOST_GEOMETRY_TEST_INCLUDE_FAILING_TESTS
+    ignore_validity_settings.test_validity = false;
+#endif
+
     test_one<polygon, polygon, polygon>("simplex_normal",
         simplex_normal[0], simplex_normal[1],
         3, 12, 2.52636706856656,
@@ -156,12 +161,14 @@ void test_all()
     test_one<polygon, polygon, polygon>("intersect_holes_intersect_and_disjoint",
         intersect_holes_intersect_and_disjoint[0], intersect_holes_intersect_and_disjoint[1],
         2, 16, 15.75,
-        3, 17, 6.75);
+        3, 17, 6.75,
+        ignore_validity_settings);
 
     test_one<polygon, polygon, polygon>("intersect_holes_intersect_and_touch",
         intersect_holes_intersect_and_touch[0], intersect_holes_intersect_and_touch[1],
         3, 21, 16.25,
-        3, 17, 6.25);
+        3, 17, 6.25,
+        ignore_validity_settings);
 
     {
         ut_settings settings = sym_settings;
@@ -186,7 +193,8 @@ void test_all()
     test_one<polygon, polygon, polygon>("intersect_holes_intersect",
         intersect_holes_intersect[0], intersect_holes_intersect[1],
         2, 16, 15.75,
-        2, 12, 5.75);
+        2, 12, 5.75,
+        ignore_validity_settings);
 
     test_one<polygon, polygon, polygon>(
             "case4", case_4[0], case_4[1],
diff --git a/test/algorithms/set_operations/difference/difference_multi.cpp b/test/algorithms/set_operations/difference/difference_multi.cpp
index 6c7d13327..25e82b1c3 100644
--- a/test/algorithms/set_operations/difference/difference_multi.cpp
+++ b/test/algorithms/set_operations/difference/difference_multi.cpp
@@ -175,12 +175,19 @@ void test_areal()
         TEST_DIFFERENCE_WITH(0, 1, bug_21155501, 1, 3.758937, 1, 1.7763568394002505e-15, 2);
     }
 #else
-    // With no-robustness this one misses one of the outputs
-    test_one<Polygon, MultiPolygon, MultiPolygon>("ticket_9081",
-        ticket_9081[0], ticket_9081[1],
+    {
+        // With no-robustness this one misses one of the outputs
+        ut_settings settings;
+        settings.percentage = 0.001; // tolerance
+#if !defined(BOOST_GEOMETRY_NO_ROBUSTNESS) && !defined(BOOST_GEOMETRY_TEST_INCLUDE_FAILING_TESTS)
+        settings.test_validity = false;
+#endif
+        test_one<Polygon, MultiPolygon, MultiPolygon>("ticket_9081",
+            ticket_9081[0], ticket_9081[1],
             2, 28, 0.0907392476356186, 4, 25, 0.126018011439877,
             4, 42, 0.0907392476356186 + 0.126018011439877,
-            tolerance(0.001));
+            settings);
+    }
 
     // With rescaling, A is invalid (this is a robustness problem) and the other
     // output is discarded because of zero (rescaled) area
diff --git a/test/algorithms/set_operations/union/union_multi.cpp b/test/algorithms/set_operations/union/union_multi.cpp
index 387ac5553..8aeec22e1 100644
--- a/test/algorithms/set_operations/union/union_multi.cpp
+++ b/test/algorithms/set_operations/union/union_multi.cpp
@@ -431,14 +431,22 @@ void test_areal()
          ggl_list_20140212_sybren[0], ggl_list_20140212_sybren[1],
          2, 0, 16, 0.002471626);
 
-    test_one<Polygon, MultiPolygon, MultiPolygon>("ticket_9081",
-        ticket_9081[0], ticket_9081[1],
-#if defined(BOOST_GEOMETRY_NO_ROBUSTNESS)
-        3,
-#else
-        4,
+    {
+        ut_settings settings;
+#if !defined(BOOST_GEOMETRY_NO_ROBUSTNESS) && !defined(BOOST_GEOMETRY_TEST_INCLUDE_FAILING_TESTS)
+        settings.test_validity = false;
 #endif
-        0, 31, 0.2187385);
+
+        test_one<Polygon, MultiPolygon, MultiPolygon>("ticket_9081",
+            ticket_9081[0], ticket_9081[1],
+#if defined(BOOST_GEOMETRY_NO_ROBUSTNESS)
+            3,
+#else
+            4,
+#endif
+            0, 31, 0.2187385,
+            settings);
+    }
 
     test_one<Polygon, MultiPolygon, MultiPolygon>("ticket_10803",
         ticket_10803[0], ticket_10803[1],