added: option to add a restart run to a regression test

this restarts the simulation at a specified step.
it then compares the results from this run to a separate,
existing regression data set.

tests/update_reference_data.sh

@@ -183,6 +183,16 @@ do
           $casename \
           EGRID INIT RFT SMSPEC UNRST UNSMRY
       test $? -eq 0 && changed_tests="$changed_tests $test_name"
+
+      if [ -d $configuration/build-opm-simulators/tests/results/$binary+$test_name/restart ]
+      then
+        copyToReferenceDir \
+            $BUILD_DIR/tests/results/$binary+$test_name/restart/ \
+            $OPM_TESTS_ROOT/$dirname/opm-simulation-reference/$binary/restart \
+            $casename \
+            EGRID INIT RFT SMSPEC UNRST UNSMRY
+        test $? -eq 0 && changed_tests="$changed_tests $test_name(restart)"
+      fi
     fi
   done
 done