FALSE is not TRUE

`actual`:   FALSE
`expected`: TRUE 
An error occurred in plotting.

# Try-Catch Block to Handle Errors Gracefully
# Perform the operations and store the results
# Check that the results are of the expected class
# On error, print the error message for diagnosis
message("Error in test plot_l2g: ", e$message)
# You can add additional logging here if necessary
expect_true(FALSE, "An error occurred in plotting.")