rtest.py: remove unused TESTNAME

Every usage of this within this file is actually referring to a closer variable
that shadows this global.

diff --git a/rtest/rtest.py b/rtest/rtest.py
index d38f2ae788a46101b197dece2401a6b2e97a68e1..6d8e52671b9369927aedbc9ffaa2033448519d8d 100755 (executable)
--- a/rtest/rtest.py
+++ b/rtest/rtest.py
@@ -31,7 +31,6 @@ NOOP = False                          # If set, just print list of tests
 DOT = os.environ.get("DOT", shutil.which("dot"))
 DIFFIMG = os.environ.get("DIFFIMG", shutil.which("diffimg"))
 
-TESTNAME = ""   # name of test
 CRASH_CNT = 0
 DIFF_CNT = 0
 TOT_CNT = 0