HDFFV-10632 - split stderr and stdout in cmake

tools/test/misc/testfiles/h5clear_missing_file.err

@@ -0,0 +1,23 @@
+usage: h5clear [OPTIONS] file_name
+  OPTIONS
+   -h, --help                Print a usage message and exit
+   -V, --version             Print version number and exit
+   -s, --status              Clear the status_flags field in the file's superblock
+   -m, --image               Remove the metadata cache image from the file
+   --filesize                Print the file's EOA and EOF
+   --increment=C             Set the file's EOA to the maximum of (EOA, EOF) + C for the file <file_name>
+                             C is >= 0; C is optional and will default to 1M when not set
+Examples of use:
+
+h5clear -s file_name
+  Clear the status_flags field in the superblock of the HDF5 file <file_name>.
+
+h5clear -m file_name
+  Remove the metadata cache image from the HDF5 file <file_name>.
+
+h5clear --increment file_name
+  Set the EOA to the maximum of (EOA, EOF) + 1M for the file <file_name>.
+
+h5clear --increment=512 file_name
+  Set the EOA to the maximum of (EOA, EOF) + 512 for the file <file_name>.
+h5clear error: missing file name