[CMake][CTest] Treat tests returning code 77 as skipped.

Like we do for Autotools.
This is only supported for CMake 3.0 or newer. Oder versions ignore
the property and report the test as failed.

dune/common/parallel/test/CMakeLists.txt

@@ -30,3 +30,10 @@ add_test(selectiontest selectiontest)
 add_test(indicestest indicestest)
 add_test(syncertest syncertest)
 add_test(variablesizecommunicatortest variablesizecommunicatortest)
+
+# treat tests returning code 77 as skipped
+set_tests_properties(
+  indicestest
+  syncertest
+  variablesizecommunicatortest
+  PROPERTIES SKIP_RETURN_CODE 77)

dune/common/test/CMakeLists.txt

@@ -170,7 +170,12 @@ foreach(_TEST ${TESTPROGS})
   add_test(${_TEST} ${_TEST})
 endforeach(_TEST)
 
-#Set properties for failing tests
+# treat tests returning code 77 as skipped
+set_tests_properties(
+  mpicollectivecommunication
+  PROPERTIES SKIP_RETURN_CODE 77)
+
+# set properties for failing tests
 set_tests_properties(
   ${FAILTESTS}
   PROPERTIES WILL_FAIL true)
@@ -183,5 +188,3 @@ endforeach(_TEST)
 set_tests_properties(
   ${COMPILEFAILTESTS}
   PROPERTIES WILL_FAIL true)
-
-