AthenaPoolCnvSvc: Fix test failures in clang build.

Tweak ignore patterns to avoid failues in clang build.

Database/AthenaPOOL/AthenaPoolCnvSvc/CMakeLists.txt

@@ -50,25 +50,25 @@ atlas_add_test( T_AthenaPoolViewVectorCnv_test
    SOURCES test/T_AthenaPoolViewVectorCnv_test.cxx
    INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
    LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaPoolCnvSvcLib TestTools
-   LOG_IGNORE_PATTERN "basic_string" )
+   LOG_IGNORE_PATTERN "basic_string|std::string" )
 
 atlas_add_test( T_AthenaPoolxAODCnv_test
    SOURCES test/T_AthenaPoolxAODCnv_test.cxx
    INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
    LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaPoolCnvSvcLib TestTools
-   LOG_IGNORE_PATTERN "basic_string" )
+   LOG_IGNORE_PATTERN "basic_string|std::string" )
 
 atlas_add_test( T_AthenaPoolAuxContainerCnv_test
    SOURCES test/T_AthenaPoolAuxContainerCnv_test.cxx
    INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
    LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaPoolCnvSvcLib TestTools
-   LOG_IGNORE_PATTERN "basic_string" )
+   LOG_IGNORE_PATTERN "basic_string|std::string" )
 
 atlas_add_test( T_AthenaPoolTPCnvCnv_test
    SOURCES test/T_AthenaPoolTPCnvCnv_test.cxx
    INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
    LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaPoolCnvSvcLib TestTools
-   LOG_IGNORE_PATTERN "basic_string" )
+   LOG_IGNORE_PATTERN "basic_string|std::string" )
 
 atlas_add_test( T_AuxContainerCopyTPCnv_test
    SOURCES test/T_AuxContainerCopyTPCnv_test.cxx