test: remove use of undefined variables

The variables referenced in the print message are not defined.  Simply state
that the requisite script is not found.  Correct grammar to indicate that the
tests are rather likely to fail rather than unlikely to fail.

llvm-svn: 269628

lldb/packages/Python/lldbsuite/test/dotest.py

@@ -646,8 +646,7 @@ def setupSysPath():
                         break
 
                 if not lldbPythonDir:
-                    print('This script requires lldb.py to be in either ' + dbgPath + ',', end=' ')
-                    print(relPath + ', or ' + baiPath + '. Some tests might fail.')
+                    print("lldb.py is not found, some tests may fail.")
             else:
                 print("Unable to load lldb extension module.  Possible reasons for this include:")
                 print("  1) LLDB was built with LLDB_DISABLE_PYTHON=1")