Fix add_test() calls to use $<TARGET_FILE:..>.

Using add_test() call with $<TARGET_FILE:..> overcomes the issues with test not
finding the executable correctly.

CMakeLists.txt

@@ -30,14 +30,6 @@ SET(EXECUTABLE_OUTPUT_PATH ${ICET_BINARY_DIR}/bin CACHE PATH
 MARK_AS_ADVANCED(LIBRARY_OUTPUT_PATH EXECUTABLE_OUTPUT_PATH)
 SET(ICET_LIBRARY_DIR ${LIBRARY_OUTPUT_PATH})
 SET(ICET_EXECUTABLE_DIR ${EXECUTABLE_OUTPUT_PATH})
-SET(C_TEST_PATH ${EXECUTABLE_OUTPUT_PATH})
-
-# CMAKE_CONFIGURATION_TYPES is set for generators that support multiple
-# configurations e.g. Visual Studio. In that case we update the C_TEST_PATH to
-# include the configuration type (CTEST_CONFIGURATION_TYPE)
-IF (CMAKE_CONFIGURATION_TYPES)
-  SET (C_TEST_PATH ${C_TEST_PATH}/\${CTEST_CONFIGURATION_TYPE})
-ENDIF(CMAKE_CONFIGURATION_TYPES)
 
 SET(CMAKE_MODULE_PATH
   ${CMAKE_MODULE_PATH}

tests/CMakeLists.txt

@@ -78,9 +78,10 @@ SEPARATE_ARGUMENTS(ICET_TEST_FLAGS)
 
 FOREACH (test ${MyTests})
   GET_FILENAME_COMPONENT(TName ${test} NAME_WE)
-  ADD_TEST(IceT${TName}
+  ADD_TEST(NAME IceT${TName}
+    COMMAND
     ${PRE_TEST_FLAGS}
-    ${C_TEST_PATH}/icetTests_mpi ${ICET_TEST_FLAGS} ${TName}
+    $<TARGET_FILE:icetTests_mpi> ${ICET_TEST_FLAGS} ${TName}
     ${POST_TEST_FLAGS})
   IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.1)
     SET_TESTS_PROPERTIES(IceT${TName}