diff --git a/src/setup.rs b/src/setup.rs
index 44e5d7f..5e03f80 100644
--- a/src/setup.rs
+++ b/src/setup.rs
@@ -348,24 +348,49 @@ mod test {
   #[test]
   fn correctly_handles_symbol_tuples() {
     let (count, setup) = get_setup();
-    setup.run_symbol((TestSymbol { reached: false }, TestSymbol { reached: false }), false).unwrap();
+    setup
+      .run_symbol(
+        (TestSymbol { reached: false }, TestSymbol { reached: false }),
+        false,
+      )
+      .unwrap();
     assert_eq!(*count.borrow(), 2);
 
     let (count, setup) = get_setup();
-    setup.run_symbol((TestSymbol { reached: true }, TestSymbol { reached: false }), false).unwrap();
+    setup
+      .run_symbol(
+        (TestSymbol { reached: true }, TestSymbol { reached: false }),
+        false,
+      )
+      .unwrap();
     assert_eq!(*count.borrow(), 1);
 
     // An unreached symbol forces all further symbols
     let (count, setup) = get_setup();
-    setup.run_symbol((TestSymbol { reached: false }, TestSymbol { reached: true }), false).unwrap();
+    setup
+      .run_symbol(
+        (TestSymbol { reached: false }, TestSymbol { reached: true }),
+        false,
+      )
+      .unwrap();
     assert_eq!(*count.borrow(), 2);
 
     let (count, setup) = get_setup();
-    setup.run_symbol((TestSymbol { reached: true }, TestSymbol { reached: true }), false).unwrap();
+    setup
+      .run_symbol(
+        (TestSymbol { reached: true }, TestSymbol { reached: true }),
+        false,
+      )
+      .unwrap();
     assert_eq!(*count.borrow(), 0);
 
     let (count, setup) = get_setup();
-    setup.run_symbol((TestSymbol { reached: true }, TestSymbol { reached: true }), true).unwrap();
+    setup
+      .run_symbol(
+        (TestSymbol { reached: true }, TestSymbol { reached: true }),
+        true,
+      )
+      .unwrap();
     assert_eq!(*count.borrow(), 2);
   }
 }
diff --git a/src/symbols/tls/key.rs b/src/symbols/tls/key.rs
index 4caff26..f1cb847 100644
--- a/src/symbols/tls/key.rs
+++ b/src/symbols/tls/key.rs
@@ -40,7 +40,7 @@ impl<C: CommandRunner, P: AsRef<Path>> Symbol for Key<C, P> {
       ],
     )?;
     // FIXME check bytes
-    Ok(stdout.ends_with("RSA key ok\n".as_bytes()))
+    Ok(stdout.ends_with(b"RSA key ok\n"))
   }
 
   fn execute(&self) -> Result<(), Box<dyn Error>> {