Update steadystatesystems.jl

Author: ChrisRackauckas

test/steadystatesystems.jl

@@ -17,7 +17,7 @@ for factor in [1e-1, 1e0, 1e10],
     ss_prob = SteadyStateProblem(de, u0, p)
     sol = solve(ss_prob, SSRootfind()).u[1]
     @test abs(sol^2 - factor * u0_p[2]) < 1e-8
-    ss_prob = SteadyStateProblemExpr(de, u0, p)
-    sol_expr = solve(eval(ss_prob), SSRootfind()).u[1]
+    ss_prob = SteadyStateProblem(de, u0, p)
+    sol_expr = solve(ss_prob, SSRootfind()).u[1]
     @test all(x -> x == 0, sol - sol_expr)
 end