fix :avail pattern in test_debug_lmod

Author: boegel

test/framework/options.py

@@ -5232,7 +5232,7 @@ def test_debug_lmod(self):
             init_config(build_options={'debug_lmod': True})
             out = self.modtool.run_module('avail', return_output=True)
 
-            for pattern in [r"^Lmod version", r"^lmod\(--terse -D avail\)\{", "Master:avail"]:
+            for pattern in [r"^Lmod version", r"^lmod\(--terse -D avail\)\{", ":avail"]:
                 regex = re.compile(pattern, re.M)
                 self.assertTrue(regex.search(out), "Pattern '%s' found in: %s" % (regex.pattern, out))
         else: