diff --git a/crates/app/src/main.rs b/crates/app/src/main.rs
index 7780bbb..9c7c0de 100644
--- a/crates/app/src/main.rs
+++ b/crates/app/src/main.rs
@@ -60,38 +60,11 @@ mod dev {
     use clap::Subcommand;
 
     #[derive(Subcommand)]
-    pub(crate) enum DevCommands {
-        Enums { test_str: String },
-        Add { num0: i32, num1: i32 },
-    }
+    pub(crate) enum DevCommands {}
 
     impl DevCommands {
         pub fn run(self) {
-            match self {
-                DevCommands::Enums { test_str } => {
-                    use prowocessing::experimental::enum_based::PipelineBuilder;
-
-                    let upr = PipelineBuilder::new()
-                        .insert(prowocessing::experimental::enum_based::Instruction::Uppercase)
-                        .build();
-                    let lwr = PipelineBuilder::new()
-                        .insert(prowocessing::experimental::enum_based::Instruction::Lowercase)
-                        .build();
-
-                    println!("Upr: {}", upr.run(test_str.clone()));
-                    println!("Lwr: {}", lwr.run(test_str.clone()));
-                }
-                DevCommands::Add { num0, num1 } => {
-                    use prowocessing::experimental::trait_based::pipeline::PipelineBuilder;
-
-                    let pipe = PipelineBuilder::new().add(1).stringify().build();
-                    println!(
-                        "{:?}",
-                        pipe.run(vec![&num0.into(), &num1.into()].into())
-                            .into_inner()[0]
-                    );
-                }
-            }
+            println!("There are currently no dev commands.");
         }
     }
 }
diff --git a/crates/prowocessing/src/lib.rs b/crates/prowocessing/src/lib.rs
index aa81057..083eb4f 100644
--- a/crates/prowocessing/src/lib.rs
+++ b/crates/prowocessing/src/lib.rs
@@ -8,13 +8,33 @@
 /// Gonna first try string processing...
 pub mod experimental;
 
-#[test]
-fn test_enums() {
-    use crate::experimental::enum_based::{Instruction, PipelineBuilder};
-    let builder = PipelineBuilder::new().insert(Instruction::Uppercase);
-    let upr = builder.build();
-    let upr_lowr = builder.insert(Instruction::Lowercase).build();
+#[cfg(test)]
+mod tests {
+    use crate::experimental::{
+        enum_based,
+        trait_based::{self, data::io::Outputs},
+    };
 
-    assert_eq!(upr.run(String::from("Test")), String::from("TEST"));
-    assert_eq!(upr_lowr.run(String::from("Test")), String::from("test"));
+    #[test]
+    fn test_enums() {
+        let builder = enum_based::PipelineBuilder::new().insert(enum_based::Instruction::Uppercase);
+        let upr = builder.build();
+        let upr_lowr = builder.insert(enum_based::Instruction::Lowercase).build();
+
+        assert_eq!(upr.run(String::from("Test")), String::from("TEST"));
+        assert_eq!(upr_lowr.run(String::from("Test")), String::from("test"));
+    }
+
+    #[test]
+    fn add() {
+        let pipe = trait_based::pipeline::PipelineBuilder::new()
+            .add(0)
+            .stringify()
+            .build();
+
+        assert_eq!(
+            pipe.run(vec![&2.into(), &3.into()].into()),
+            Outputs(vec![String::from("5").into()])
+        );
+    }
 }