Fix which string is checked for in the test

GNU Makefiles have an extra line that Visual Studio doesn't output.

Tests/CMakeLists.txt

@@ -155,7 +155,7 @@ IF(BUILD_TESTING)
   ADD_TEST_MACRO(PolicyScope PolicyScope)
   ADD_TEST_MACRO(EmptyLibrary EmptyLibrary)
   SET_TESTS_PROPERTIES(EmptyLibrary PROPERTIES
-    PASS_REGULAR_EXPRESSION "CMake Error: Cannot determine link language for target \"test\"")
+    PASS_REGULAR_EXPRESSION "CMake Error: CMake can not determine linker language for target:test")
   ADD_TEST_MACRO(CrossCompile CrossCompile)
   SET_TESTS_PROPERTIES(CrossCompile PROPERTIES
     PASS_REGULAR_EXPRESSION "TRY_RUN.. invoked in cross-compiling mode")