[2pncmin] fix CMakeLists to correct dune_add_test format

test/porousmediumflow/2pncmin/implicit/CMakeLists.txt

+dune_symlink_to_source_files(FILES test_2pncmin.input)
+
 # isothermal tests
-add_dumux_test(test_box2pncmin test_box2pncmin test_box2pncmin.cc
-               python ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
-                 --script fuzzy
-                 --files ${CMAKE_SOURCE_DIR}/test/references/saltflushbox2pncmin-reference.vtu
-                         ${CMAKE_CURRENT_BINARY_DIR}/saltflushbox-00046.vtu
-                 --command "${CMAKE_CURRENT_BINARY_DIR}/test_box2pncmin -ParameterFile test_2pncmin.input -Problem.Name saltflushbox")
+dune_add_test(NAME test_box2pncmin
+              SOURCES test_box2pncmin.cc
+              COMMAND ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
+              CMD_ARGS      --script fuzzy
+                            --files ${CMAKE_SOURCE_DIR}/test/references/saltflushbox2pncmin-reference.vtu
+                                    ${CMAKE_CURRENT_BINARY_DIR}/saltflushbox-00046.vtu
+                            --command "${CMAKE_CURRENT_BINARY_DIR}/test_box2pncmin -ParameterFile test_2pncmin.input -Problem.Name saltflushbox")
 
-add_dumux_test(test_cc2pncmin test_cc2pncmin test_cc2pncmin.cc
-               python ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
-                 --script fuzzy
-                 --files ${CMAKE_SOURCE_DIR}/test/references/saltflushcc2pncmin-reference.vtu
-                         ${CMAKE_CURRENT_BINARY_DIR}/saltflushcc-00065.vtu
-                 --command "${CMAKE_CURRENT_BINARY_DIR}/test_cc2pncmin -ParameterFile test_2pncmin.input -Problem.Name saltflushcc")
+dune_add_test(NAME test_cc2pncmin
+              SOURCES test_cc2pncmin.cc
+              COMMAND ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
+              CMD_ARGS      --script fuzzy
+                            --files ${CMAKE_SOURCE_DIR}/test/references/saltflushcc2pncmin-reference.vtu
+                                    ${CMAKE_CURRENT_BINARY_DIR}/saltflushcc-00065.vtu
+                            --command "${CMAKE_CURRENT_BINARY_DIR}/test_cc2pncmin -ParameterFile test_2pncmin.input -Problem.Name saltflushcc")
 
-dune_symlink_to_source_files(FILES "test_2pncmin.input")
+set(CMAKE_BUILD_TYPE Release)
 
 #install sources
 install(FILES