Update tests/src/unit/tests/test_connection.cpp

Co-authored-by: Jeff Lawson <jeff@bovine.net>

Author: mpenick

tests/src/unit/tests/test_connection.cpp

@@ -47,9 +47,9 @@ String current_dir()
 {
   char buffer[256];
 #ifdef _WIN32
-  _getcwd(buffer, 256);
+  _getcwd(buffer, sizeof(buffer));
 #else
-  getcwd(buffer, 256);
+  getcwd(buffer, sizeof(buffer));
 #endif
   return buffer;
 }