test: attempt to make SDE test more reproducible

AayushSabharwal · AayushSabharwal · commit 3cc7857bc755 · 2026-07-01T14:48:20.000+05:30
diff --git a/lib/ModelingToolkitBase/test/sdesystem.jl b/lib/ModelingToolkitBase/test/sdesystem.jl
@@ -825,7 +825,7 @@ end
         ρ => 2.33,
     ]
 
-    prob = SDEProblem(de, [u0map; parammap], (0.0, 100.0))
+    prob = SDEProblem(de, [u0map; parammap], (0.0, 100.0); seed = 42)
     # SOSRI only works for diagonal and scalar noise
     @test_throws ErrorException solve(prob, SOSRI()).retcode == ReturnCode.Success
     # ImplicitEM does work for non-diagonal noise

Original file line number	Diff line number	Diff line change
`@@ -825,7 +825,7 @@ end`
`825`	`825`	`ρ => 2.33,`
`826`	`826`	`]`
`827`	`827`
`828`		`- prob = SDEProblem(de, [u0map; parammap], (0.0, 100.0))`
	`828`	`+ prob = SDEProblem(de, [u0map; parammap], (0.0, 100.0); seed = 42)`
`829`	`829`	`# SOSRI only works for diagonal and scalar noise`
`830`	`830`	`@test_throws ErrorException solve(prob, SOSRI()).retcode == ReturnCode.Success`
`831`	`831`	`# ImplicitEM does work for non-diagonal noise`