Fixing zlib CMakeLists.txt

Author: ktakashi

ext/zlib/CMakeLists.txt

@@ -110,4 +110,6 @@ IF (NOT EXISTS ${PROJECT_BINARY_DIR}/ext/zlib/data)
 ENDIF()
 
 ADD_TEST(NAME zlib
-  COMMAND ${EXT_TEST_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}/test.scm)
+  COMMAND ${EXT_TEST_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}/test.scm
+  WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/ext)
+SET_PROPERTY(TEST zlib PROPERTY FAIL_REGULAR_EXPRESSION "FAIL")