diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 709a0125b..2df5f8c66 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,6 +9,7 @@ jobs:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
     env:
+      JULIA_ON_CI: true
       JULIA_NUM_THREADS: 8
       JULIA_EXTENDED_TESTS: false
     strategy:
diff --git a/.github/workflows/CI_ecosystem.yml b/.github/workflows/CI_ecosystem.yml
index 7d13369f8..6cb852175 100644
--- a/.github/workflows/CI_ecosystem.yml
+++ b/.github/workflows/CI_ecosystem.yml
@@ -12,6 +12,7 @@ jobs:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
     env:
+      JULIA_ON_CI: true
       JULIA_NUM_THREADS: 8
       JULIA_EXTENDED_TESTS: true
     strategy:
@@ -19,7 +20,6 @@ jobs:
       matrix:
         version:
           - '1'
-          - '1.9'
         os:
           - ubuntu-latest
           - macos-latest
diff --git a/.github/workflows/CI_extended.yml b/.github/workflows/CI_extended.yml
index dd2e5816c..308d4d09c 100644
--- a/.github/workflows/CI_extended.yml
+++ b/.github/workflows/CI_extended.yml
@@ -12,6 +12,7 @@ jobs:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
     env:
+      JULIA_ON_CI: true
       JULIA_NUM_THREADS: 8
       JULIA_EXTENDED_TESTS: true
     strategy:
@@ -19,7 +20,6 @@ jobs:
       matrix:
         version:
           - '1'
-          - '1.9'
         os:
           - ubuntu-latest
           - macos-latest
diff --git a/test/examples/political_democracy/constraints.jl b/test/examples/political_democracy/constraints.jl
index a9bc7aa1a..b6a9477d0 100644
--- a/test/examples/political_democracy/constraints.jl
+++ b/test/examples/political_democracy/constraints.jl
@@ -23,11 +23,9 @@ end
 constrained_optimizer = SemOptimizerNLopt(;
     algorithm = :AUGLAG,
     local_algorithm = :LD_LBFGS,
-    local_options = Dict(
-        :ftol_rel => 1e-6
-    ),
+    options = Dict(:xtol_rel => 1e-4),
     # equality_constraints = NLoptConstraint(;f = eq_constraint, tol = 1e-14),
-    inequality_constraints = NLoptConstraint(;f = ineq_constraint, tol = 0.0),
+    inequality_constraints = NLoptConstraint(;f = ineq_constraint, tol = 1e-8),
 )
 
 model_ml_constrained = Sem(
@@ -59,7 +57,7 @@ end
 
 @testset "ml_solution_constrained" begin
     solution_constrained = sem_fit(model_ml_constrained)
-    @test solution_constrained.solution[31]*solution_constrained.solution[30] >= 0.6
+    @test solution_constrained.solution[31]*solution_constrained.solution[30] >= (0.6-1e-8)
     @test all(abs.(solution_constrained.solution) .< 10)
     @test solution_constrained.optimization_result.result[3] == :FTOL_REACHED skip=true
     @test abs(solution_constrained.minimum - 21.21) < 0.01
diff --git a/test/examples/political_democracy/political_democracy.jl b/test/examples/political_democracy/political_democracy.jl
index 29b29e3d4..ed70bdb3d 100644
--- a/test/examples/political_democracy/political_democracy.jl
+++ b/test/examples/political_democracy/political_democracy.jl
@@ -97,7 +97,7 @@ semoptimizer = SemOptimizerOptim
 semoptimizer = SemOptimizerNLopt
 @testset "RAMMatrices | constructor | NLopt" begin include("constructor.jl") end
 
-if ENV["JULIA_EXTENDED_TESTS"] == "true"
+if !haskey(ENV, "JULIA_EXTENDED_TESTS") || ENV["JULIA_EXTENDED_TESTS"] == "true"
     semoptimizer = SemOptimizerOptim
     @testset "RAMMatrices | parts | Optim" begin include("by_parts.jl") end
     semoptimizer = SemOptimizerNLopt
@@ -121,7 +121,7 @@ semoptimizer = SemOptimizerOptim
 semoptimizer = SemOptimizerNLopt
 @testset "RAMMatrices → ParameterTable | constructor | NLopt" begin include("constructor.jl") end
 
-if ENV["JULIA_EXTENDED_TESTS"] == "true"
+if !haskey(ENV, "JULIA_EXTENDED_TESTS") || ENV["JULIA_EXTENDED_TESTS"] == "true"
     semoptimizer = SemOptimizerOptim
     @testset "RAMMatrices → ParameterTable | parts | Optim" begin include("by_parts.jl") end
     semoptimizer = SemOptimizerNLopt
@@ -205,7 +205,7 @@ semoptimizer = SemOptimizerOptim
 semoptimizer = SemOptimizerNLopt
 @testset "Graph → ParameterTable | constructor | NLopt" begin include("constructor.jl") end
 
-if ENV["JULIA_EXTENDED_TESTS"] == "true"
+if !haskey(ENV, "JULIA_EXTENDED_TESTS") || ENV["JULIA_EXTENDED_TESTS"] == "true"
     semoptimizer = SemOptimizerOptim
     @testset "Graph → ParameterTable | parts | Optim" begin include("by_parts.jl") end
     semoptimizer = SemOptimizerNLopt
diff --git a/test/runtests.jl b/test/runtests.jl
index 6fdda7a89..0d401ed30 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -3,6 +3,6 @@ using Test, SafeTestsets
 @time @safetestset "Unit Tests" begin include("unit_tests/unit_tests.jl") end
 @time @safetestset "Example Models" begin include("examples/examples.jl") end
 
-if ENV["JULIA_EXTENDED_TESTS"] == "true"
+if !haskey(ENV, "JULIA_EXTENDED_TESTS") || ENV["JULIA_EXTENDED_TESTS"] == "true"
     
 end
\ No newline at end of file
diff --git a/test/unit_tests/multithreading.jl b/test/unit_tests/multithreading.jl
index 71da0bf2c..ba8770f19 100644
--- a/test/unit_tests/multithreading.jl
+++ b/test/unit_tests/multithreading.jl
@@ -1,5 +1,7 @@
 using Test
 
-@testset "multithreading_enabled" begin
-    @test Threads.nthreads() == 8
+if haskey(ENV, "JULIA_ON_CI")
+    @testset "multithreading_enabled" begin
+        @test Threads.nthreads() == 8
+    end
 end
\ No newline at end of file