COMP: Don't set properties on a non-existing test

  - Test SubProject-Stage2 is conditionally created.
  - Set properties on it only if it exists.

Tests/CMakeLists.txt

@@ -123,6 +123,7 @@ IF(BUILD_TESTING)
       --build-target foo
       --test-command foo
       )
+    SET_TESTS_PROPERTIES ( SubProject-Stage2 PROPERTIES DEPENDS SubProject)
   ENDIF(NOT MSVC60 AND NOT XCODE AND NOT MSVC70)
 
   IF (CMAKE_STRICT)
@@ -586,7 +587,6 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
     SET_TESTS_PROPERTIES ( testdriver2 PROPERTIES DEPENDS testdriver1)
     SET_TESTS_PROPERTIES ( testdriver3 PROPERTIES DEPENDS testdriver2)
     SET_TESTS_PROPERTIES ( linkorder2 PROPERTIES DEPENDS linkorder1)
-    SET_TESTS_PROPERTIES ( SubProject-Stage2 PROPERTIES DEPENDS SubProject)
     SET_TESTS_PROPERTIES ( SimpleInstall-Stage2 PROPERTIES DEPENDS SimpleInstall)
   ENDIF(COMMAND SET_TESTS_PROPERTIES AND COMMAND GET_TEST_PROPERTY)