This test is broken on i686, see: https://github.com/HDFGroup/hdf5/issues/4926

--- a/fortran/test/tH5R.F90
+++ b/fortran/test/tH5R.F90
@@ -668,7 +668,7 @@
   CALL verify("h5rget_obj_name_f", TRIM(buf_big), "/"//groupname1, total_error)
 
   ! getting path to dataset
-  CALL h5rget_obj_name_f(C_LOC(ref_ptr(2)), "", error, name_len=buf_size )
+  CALL h5rget_obj_name_f(C_LOC(ref_ptr(2)), "A long string is needed here", error, name_len=buf_size )
   CALL check("H5Rget_name_f", error, total_error)
   CALL verify("H5Rget_name_f2", INT(buf_size),LEN("/"//groupname1//"/"//groupname2),total_error)
 
