Remove test feature and expose Preset unconditionally

program/Cargo.toml

@@ -15,7 +15,6 @@ workspace = true
 
 [features]
 time-travel = []
-test = []
 
 [dependencies]
 iced_graphics.workspace = true

program/src/lib.rs

@@ -4,10 +4,8 @@ pub use iced_runtime as runtime;
 pub use iced_runtime::core;
 pub use iced_runtime::futures;
 
-#[cfg(feature = "test")]
 mod preset;
 
-#[cfg(feature = "test")]
 pub use preset::Preset;
 
 use crate::core::renderer;
@@ -107,7 +105,6 @@ pub trait Program: Sized {
         1.0
     }
 
-    #[cfg(feature = "test")]
     fn presets(&self) -> &[Preset<Self::State, Self::Message>] {
         &[]
     }