Update test_plan

Author: ufechner7

docs/src/test_plan.md

@@ -9,12 +9,20 @@ Second run:
 - system initialized          < 15s
 - total time without plotting < 35s
 
-## Results on Desktop, 22.09.2025
+## Results on Desktop, without SymbolicAWEModels 22.09.2025
+First run
+- simplifying: 26.3 s
+- Info: Total time without plotting: 124 s
+Second run
+- system initialized: 5.8s
+- total time without plotting: 29.5 s
+
+## Results on Desktop, with SymbolicAWEModels 22.09.2025
 - simplifying the system: 169s
 - system initialized:   16.7 s
-- totla time without plotting: 36.9s
+- total time without plotting: 36.9s
 
-## Current results on main, 15.06.2025:
+## Results on Desktop with SymbolicAWEModels, 15.06.2025:
 ```
 julia> include("examples/ram_air_kite.jl")
 [ Info: Loading packages