HDFFV-10632 - split stderr and stdout in cmake

tools/test/h5diff/testfiles/h5diff_454_ERR.txt

@@ -1,6 +1,2 @@
 Warning: </softlink_noexist> is a dangling link.
-H5tools-DIAG: Error detected in HDF5:tools (version (number)) thread (IDs):
-  #000: (file name) line (number) in h5diff(): treat dangling link as error
-    major: Failure in tools library
-    minor: error in function
 EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_455_ERR.txt

@@ -1,6 +1,2 @@
 Warning: </softlink_noexist> is a dangling link.
-H5tools-DIAG: Error detected in HDF5:tools (version (number)) thread (IDs):
-  #000: (file name) line (number) in h5diff(): treat dangling link as error
-    major: Failure in tools library
-    minor: error in function
 EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_457_ERR.txt

@@ -1,6 +1,2 @@
 Warning: </ext_link_noexist1> is a dangling link.
-H5tools-DIAG: Error detected in HDF5:tools (version (number)) thread (IDs):
-  #000: (file name) line (number) in h5diff(): treat dangling link as error
-    major: Failure in tools library
-    minor: error in function
 EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_458_ERR.txt

@@ -1,6 +1,2 @@
 Warning: </ext_link_noexist2> is a dangling link.
-H5tools-DIAG: Error detected in HDF5:tools (version (number)) thread (IDs):
-  #000: (file name) line (number) in h5diff(): treat dangling link as error
-    major: Failure in tools library
-    minor: error in function
 EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_459_ERR.txt

@@ -1,6 +1,2 @@
 Warning: </ext_link_noexist1> is a dangling link.
-H5tools-DIAG: Error detected in HDF5:tools (version (number)) thread (IDs):
-  #000: (file name) line (number) in h5diff(): treat dangling link as error
-    major: Failure in tools library
-    minor: error in function
 EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_600.txt

@@ -142,5 +142,4 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
   Use h5diff file1 file1 /g1/dset1 /g1/dset2 to compare
   '/g1/dset1' and '/g1/dset2' in the same file
 
-h5diff error: missing file names
 EXIT CODE: 1

tools/test/h5diff/testfiles/h5diff_601_ERR.txt

@@ -1,6 +1,2 @@
 Object </nono_obj> could not be found in <h5diff_basic1.h5>
-H5tools-DIAG: Error detected in HDF5:tools (version (number)) thread (IDs):
-  #000: (file name) line (number) in h5diff(): Error: Object could not be found
-    major: Failure in tools library
-    minor: error in function
 EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_udfail.err

@@ -0,0 +1,12 @@
+
+file1     file2
+---------------------------------------
+    x      x    /              
+    x      x    /dynlibud      
+
+group  : </> and </>
+0 differences found
+dataset: </dynlibud> and </dynlibud>
+0 differences found
+Warning: dataset </dynlibud> cannot be read, user defined filter is not available
+EXIT CODE: 2

tools/test/h5diff/testfiles/h5diff_udfail.txt

@@ -8,5 +8,4 @@ group  : </> and </>
 0 differences found
 dataset: </dynlibud> and </dynlibud>
 0 differences found
-Warning: dataset </dynlibud> cannot be read, user defined filter is not available
 EXIT CODE: 2