removing old test
moving math/error_handling test
adding placeholders for math/error_handling tests
splitting out check_not_nan tests out of test/math/old_error_handling_test.cpp
splitting out check_finite tests out of test/math/old_error_handling_test.cpp
splitting out check_finite tests out of test/math/old_error_handling_test.cpp
splitting out check_finite tests out of test/math/old_error_handling_test.cpp
splitting out check_finite tests out of test/math/old_error_handling_test.cpp
splitting out check_bounded tests out of test/math/old_error_handling_test.cpp
splitting out check_greater tests out of test/math/old_error_handling_test.cpp
splitting out check_greater_or_equal tests out of test/math/old_error_handling_test.cpp
splitting out check_less tests out of test/math/old_error_handling_test.cpp
splitting out check_less_or_equal tests out of test/math/old_error_handling_test.cpp
removing old test