Rename logging test file

Make it more obvious that it is from Protonfixes. Same file name could also be used by other applications.

logger.py

@@ -30,7 +30,7 @@ def log(self, msg: str = '', level: str = 'INFO') -> None:
         fulltext = color + pfx + str(msg) + reset + os.linesep
         sys.stderr.write(fulltext)
         sys.stderr.flush()
-        with open('/tmp/test', 'a', 1, encoding='utf-8') as testfile:
+        with open('/tmp/protonfixes_test.log', 'a', 1, encoding='utf-8') as testfile:
             testfile.write(logtext)
 
     def info(self, msg: str) -> None: