Renamed chmod_invalidNumeric -> chmod_invalidNotOctal

Added chmod_invalidNumericTooLong to mirror mkdir_invalidModeTooLong
Fixed three more tests which had a useless check for $?

test/testsuite/castortests/ns/chmod_invalidNumericTooLong.input

+umask 0022; nstouch <nsFile>; nschmod 12347777 <nsFile>; echo $?
+nsls -l <nsFile> | sed "s/  */ /g"

test/testsuite/castortests/ns/chmod_invalidNumericTooLong.output0

+invalid mode: 12347777
+1

test/testsuite/castortests/ns/chmod_invalidNumericTooLong.output1

+-rw-r--r-- 1 <userId> <groupId> 0 <month> <day> <time> <nsFile>

test/testsuite/castortests/ns/mkdir_invalidModeTooLong.input

 nsmkdir --mode=777777777 <nsDir>; echo $?
-nsls -ld <nsDir> | sed "s/  */ /g"; echo $?
+nsls -ld <nsDir> | sed "s/  */ /g"

test/testsuite/castortests/ns/mkdir_invalidModeTooLong.output1

 <nsDir>: No such file or directory
-1

test/testsuite/castortests/ns/mkdir_parent.input

 umask 0472; nsmkdir -p <nsDir>/child; echo $?
-nsls -ld <nsDir> | sed "s/  */ /g"; echo $?
+nsls -ld <nsDir> | sed "s/  */ /g"

test/testsuite/castortests/ns/mkdir_parent.output1

 d-wx---r-x 1 <userId> <groupId> 0 <month> <day> <time> <nsDir>
-0

test/testsuite/castortests/ns/mkdir_parent0300.input

 umask 0555; nsmkdir -p <nsDir>/child; echo $?
-nsls -ld <nsDir> | sed "s/  */ /g"; echo $?
+nsls -ld <nsDir> | sed "s/  */ /g"

test/testsuite/castortests/ns/mkdir_parent0300.output1

 d-wx-w--w- 1 <userId> <groupId> 0 <month> <day> <time> <nsDir>
-0

test/testsuite/castortests/ns/mkdir_specificMode.input

 nsmkdir --mode=555 <nsDir>; echo $?
-nsls -ld <nsDir> | sed "s/  */ /g"; echo $?
+nsls -ld <nsDir> | sed "s/  */ /g"

test/testsuite/castortests/ns/mkdir_specificMode.output1

 dr-xr-xr-x 0 <userId> <groupId> 0 <month> <day> <time> <nsDir>
-0