Fix copy-and-paste error

Author: samcmill

test/helpers.py

@@ -134,7 +134,7 @@ def wrapper(*args, **kwargs):
     return wrapper
 
 def rockylinux10(function):
-    """Decorator to set the Linux distribution to Rockylinux 9"""
+    """Decorator to set the Linux distribution to Rockylinux 10"""
     def wrapper(*args, **kwargs):
         hpccm.config.g_linux_distro = linux_distro.CENTOS
         hpccm.config.g_linux_version = Version('10.0')