test updates

tests/modules/testSibyll.cpp

@@ -297,8 +297,9 @@ TEST_CASE("SibyllInterface", "[processes]") {
     // CHECK(length / 1_g * 1_cm * 1_cm == Approx(44.2).margin(.1));
     // CHECK(view.getSize() == 11);
     CHECK(length / 1_g * 1_cm * 1_cm ==
-          Approx(46.3).margin(2)); // this is not physics validation
+          Approx(31).margin(5)); // this is not physics validation
     // CHECK(view.getSize() == 20); // also sibyll not stable wrt. to compiler changes
+    CHECK(view.getSize() == Approx(100).margin(90)); // this is not physics validation
   }
 
   SECTION("DecayInterface") {