From 6ce32bc5ab9891267971741055abf8d2a904857b Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Tue, 16 May 2023 08:24:01 -0400
Subject: [PATCH 1/3] only run sized matrix tests on v1.9+

It got an ldiv! added method which wasn't seen before.
---
 test/interface/sized_matrix_tests.jl | 34 +++++++++++++++-------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/test/interface/sized_matrix_tests.jl b/test/interface/sized_matrix_tests.jl
index d27c61d357..beec524f83 100644
--- a/test/interface/sized_matrix_tests.jl
+++ b/test/interface/sized_matrix_tests.jl
@@ -16,19 +16,21 @@ prob_giesekus = ODEProblem(dudt!, σ0, (0.0, 2.0), p_giesekus)
 solve_giesekus = solve(prob_giesekus, Rodas4(), saveat = 0.2, abstol = 1e-14,
                        reltol = 1e-14)
 
-for alg in [
-    Rosenbrock23(),
-    Rodas4(),
-    Rodas4P(),
-    Rodas5(),
-    Rodas5P(),
-    Tsit5(),
-    Vern6(),
-    Vern7(),
-    Vern8(),
-    Vern9(),
-    DP5(),
-]
-    sol = solve(prob_giesekus, alg, saveat = 0.2, abstol = 1e-14, reltol = 1e-14)
-    @test Array(sol) ≈ Array(solve_giesekus)
-end
+if VERSION >= v"1.9"
+    for alg in [
+        Rosenbrock23(),
+        Rodas4(),
+        Rodas4P(),
+        Rodas5(),
+        Rodas5P(),
+        Tsit5(),
+        Vern6(),
+        Vern7(),
+        Vern8(),
+        Vern9(),
+        DP5(),
+    ]
+        sol = solve(prob_giesekus, alg, saveat = 0.2, abstol = 1e-14, reltol = 1e-14)
+        @test Array(sol) ≈ Array(solve_giesekus)
+    end
+end
\ No newline at end of file

From b83dbfdc9b8b5424300b16312600dc0887bc9483 Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Tue, 16 May 2023 08:44:24 -0400
Subject: [PATCH 2/3] format

---
 test/interface/sized_matrix_tests.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/interface/sized_matrix_tests.jl b/test/interface/sized_matrix_tests.jl
index beec524f83..18b65c281c 100644
--- a/test/interface/sized_matrix_tests.jl
+++ b/test/interface/sized_matrix_tests.jl
@@ -33,4 +33,4 @@ if VERSION >= v"1.9"
         sol = solve(prob_giesekus, alg, saveat = 0.2, abstol = 1e-14, reltol = 1e-14)
         @test Array(sol) ≈ Array(solve_giesekus)
     end
-end
\ No newline at end of file
+end

From 83d92ab1a17e106bcc28d039dc8aab6bc6fe48c8 Mon Sep 17 00:00:00 2001
From: Chris Rackauckas <accounts@chrisrackauckas.com>
Date: Tue, 16 May 2023 09:46:55 -0400
Subject: [PATCH 3/3] no solves if not v1.9

---
 test/interface/sized_matrix_tests.jl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/interface/sized_matrix_tests.jl b/test/interface/sized_matrix_tests.jl
index 18b65c281c..d06753eb22 100644
--- a/test/interface/sized_matrix_tests.jl
+++ b/test/interface/sized_matrix_tests.jl
@@ -13,10 +13,10 @@ p_giesekus = [η0, τ, α]
 σ0 = SizedMatrix{3, 3}([1.0 0.0 0.0; 0.0 2.0 0.0; 3.0 0.0 0.0])
 
 prob_giesekus = ODEProblem(dudt!, σ0, (0.0, 2.0), p_giesekus)
-solve_giesekus = solve(prob_giesekus, Rodas4(), saveat = 0.2, abstol = 1e-14,
-                       reltol = 1e-14)
 
 if VERSION >= v"1.9"
+    solve_giesekus = solve(prob_giesekus, Rodas4(), saveat = 0.2, abstol = 1e-14,
+                        reltol = 1e-14)
     for alg in [
         Rosenbrock23(),
         Rodas4(),