[test][freeflow] remove restart test

The functionality is tested in `test/io/vtk/test_vtk_staggeredfreeflowpvnames`.

test/freeflow/navierstokes/CMakeLists.txt

@@ -51,17 +51,6 @@ dune_add_test(NAME test_navierstokes_channel
                                      ${CMAKE_CURRENT_BINARY_DIR}/test_channel_navierstokes-00002.vtu
                              --command "${CMAKE_CURRENT_BINARY_DIR}/test_channel test_channel_navierstokes.input  -Vtk.WriteFaceData 1")
 
-dune_add_test(NAME test_navierstokes_channel_restart
-              TARGET test_channel
-              CMAKE_GUARD HAVE_UMFPACK
-              COMMAND ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
-              CMD_ARGS       --script fuzzy
-                             --files ${CMAKE_SOURCE_DIR}/test/references/channel-navierstokes-reference.vtu
-                                     ${CMAKE_CURRENT_BINARY_DIR}/test_channel_navierstokes_restart-00001.vtu
-                             --command "${CMAKE_CURRENT_BINARY_DIR}/test_channel test_channel_navierstokes.input -Vtk.WriteFaceData 1 -TimeLoop.DtInitial 1 -Restart.Time 1 -CellCenter.Restart.File test_channel_navierstokes-00001.vtu -Face.Restart.File test_channel_navierstokes-face-00001.vtp  -Problem.Name test_channel_navierstokes_restart")
-
-# the restart test has to run after the test that produces the corresponding vtu file
-set_tests_properties(test_navierstokes_channel_restart PROPERTIES DEPENDS test_navierstokes_channel)
 
 add_executable(test_channel_stokesni EXCLUDE_FROM_ALL test_channel.cc)
 target_compile_definitions(test_channel_stokesni PUBLIC "NONISOTHERMAL=1")

test/freeflow/navierstokes/test_channel.cc

@@ -139,21 +139,7 @@ int main(int argc, char** argv) try
     SolutionVector x;
     x[FVGridGeometry::cellCenterIdx()].resize(numDofsCellCenter);
     x[FVGridGeometry::faceIdx()].resize(numDofsFace);
-    if (restartTime > 0)
-    {
-        using ModelTraits = typename GET_PROP_TYPE(TypeTag, ModelTraits);
-
-        auto fileNameCell = getParamFromGroup<std::string>("CellCenter", "Restart.File");
-        loadSolution(x[FVGridGeometry::cellCenterIdx()], fileNameCell,
-                     [](int pvIdx, int state){ return "p"; }, // test option with lambda
-                     *fvGridGeometry);
-
-        auto fileNameFace = getParamFromGroup<std::string>("Face", "Restart.File");
-        loadSolution(x[FVGridGeometry::faceIdx()], fileNameFace,
-                     ModelTraits::primaryVariableNameFace<>, *fvGridGeometry);
-    }
-    else
-        problem->applyInitialSolution(x);
+    problem->applyInitialSolution(x);
     auto xOld = x;
 
     // instantiate time loop