diff --git a/.github/workflows/dependencytest-workflow.yml b/.github/workflows/dependencytest-workflow.yml
deleted file mode 100644
index 0392a1dfb..000000000
--- a/.github/workflows/dependencytest-workflow.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Run model tests
-
-on:
-  push:
-    branches:
-      - master
-  schedule:
-    - cron: '0 23 * * *'
-
-jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        julia-version: ['1.9', '1.10']
-        julia-arch: [x64, x86]
-        os: [ubuntu-latest, windows-latest, macOS-latest]
-        exclude:
-          - os: macOS-latest
-            julia-arch: x86
-          - os: ubuntu-latest
-            julia-arch: x86
-
-    steps:
-      - uses: actions/checkout@v1.0.0
-      - uses: julia-actions/setup-julia@latest
-        with:
-          version: ${{ matrix.julia-version }}
-      - uses: julia-actions/julia-buildpkg@latest
-        env:
-          PYTHON: ""
-      - name: Run dependency tests
-        run: julia test/dependencies/run_dependency_tests.jl
-        env:
-          PYTHON: ""
diff --git a/.github/workflows/jlpkgbutler-butler-workflow.yml b/.github/workflows/jlpkgbutler-butler-workflow.yml
deleted file mode 100644
index 70544cc99..000000000
--- a/.github/workflows/jlpkgbutler-butler-workflow.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: Run the Julia Package Butler
-
-on:
-  push:
-    branches:
-      - main
-      - master
-  schedule:
-    - cron: '0 */1 * * *'
-  workflow_dispatch:
-
-jobs:
-  butler:
-    name: "Run Package Butler"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: davidanthoff/julia-pkgbutler@releases/v1
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          ssh-private-key: ${{ secrets.JLPKGBUTLER_TOKEN }}
-          channel: stable
diff --git a/.github/workflows/jlpkgbutler-ci-master-workflow.yml b/.github/workflows/jlpkgbutler-ci-master-workflow.yml
deleted file mode 100644
index 28b6c4fb8..000000000
--- a/.github/workflows/jlpkgbutler-ci-master-workflow.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-name: Run CI on main
-
-on:
-  push:
-    branches:
-      - main
-      - master
-  workflow_dispatch:
-
-jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        julia-version: ['1.6', '1.7', '1.8', '1.9', '1.10']
-        julia-arch: [x64, x86]
-        os: [ubuntu-latest, windows-latest, macOS-latest]
-        exclude:
-          - os: macOS-latest
-            julia-arch: x86
-          - os: ubuntu-latest
-            julia-arch: x86
-
-    steps:
-      - uses: actions/checkout@v3
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: ${{ matrix.julia-version }}
-          arch: ${{ matrix.julia-arch }}
-      - uses: julia-actions/julia-buildpkg@v1
-        env:
-          PYTHON: ""
-      - uses: julia-actions/julia-runtest@v1
-        env:
-          PYTHON: ""
-      - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
-        with:
-          files: ./lcov.info
-          flags: unittests
-          token: ${{ secrets.CODECOV_TOKEN }}
-                    
\ No newline at end of file
diff --git a/.github/workflows/jlpkgbutler-ci-pr-workflow.yml b/.github/workflows/jlpkgbutler-ci-pr-workflow.yml
deleted file mode 100644
index 1c1a86211..000000000
--- a/.github/workflows/jlpkgbutler-ci-pr-workflow.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-name: Run CI on PR
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-
-jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        julia-version: ['1.6', '1.7', '1.8', '1.9', '1.10']
-        julia-arch: [x64, x86]
-        os: [ubuntu-latest, windows-latest, macOS-latest]
-        exclude:
-          - os: macOS-latest
-            julia-arch: x86
-          - os: ubuntu-latest
-            julia-arch: x86
-
-    steps:
-      - uses: actions/checkout@v3
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: ${{ matrix.julia-version }}
-          arch: ${{ matrix.julia-arch }}
-      - uses: julia-actions/julia-buildpkg@v1
-        env:
-          PYTHON: ""
-      - uses: julia-actions/julia-runtest@v1
-        env:
-          PYTHON: ""
-      - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
-        with:
-          files: ./lcov.info
-          flags: unittests
-          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/jlpkgbutler-compathelper-workflow.yml b/.github/workflows/jlpkgbutler-compathelper-workflow.yml
deleted file mode 100644
index b31583129..000000000
--- a/.github/workflows/jlpkgbutler-compathelper-workflow.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Run CompatHelper
-
-on:
-  schedule:
-    - cron: '00 * * * *'
-  issues:
-    types: [opened, reopened]
-  workflow_dispatch:
-
-jobs:
-  CompatHelper:
-    name: "Run CompatHelper.jl"
-    runs-on: ubuntu-latest
-    steps:
-      - name: Pkg.add("CompatHelper")
-        run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
-      - name: CompatHelper.main()
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: julia -e 'using CompatHelper; CompatHelper.main()'
diff --git a/.github/workflows/jlpkgbutler-docdeploy-workflow.yml b/.github/workflows/jlpkgbutler-docdeploy-workflow.yml
deleted file mode 100644
index e517ba17f..000000000
--- a/.github/workflows/jlpkgbutler-docdeploy-workflow.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Deploy documentation
-
-on:
-  push:
-    branches:
-      - main
-      - master
-    tags:
-      - v*
-  workflow_dispatch:
-
-jobs:
-  docdeploy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: julia-actions/julia-buildpkg@v1
-        env:
-          PYTHON: ""
-      - uses: julia-actions/julia-docdeploy@latest
-        env:
-          DOCUMENTER_KEY: ${{ secrets.JLPKGBUTLER_TOKEN }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/jlpkgbutler-tagbot-workflow.yml b/.github/workflows/jlpkgbutler-tagbot-workflow.yml
deleted file mode 100644
index d3ca956ea..000000000
--- a/.github/workflows/jlpkgbutler-tagbot-workflow.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: TagBot
-on:
-  issue_comment:
-    types:
-      - created
-  workflow_dispatch:
-
-jobs:
-  TagBot:
-    if: github.event_name == 'workflow_dispatch' || github.actor == 'JuliaTagBot'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: JuliaRegistries/TagBot@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          ssh: ${{ secrets.JLPKGBUTLER_TOKEN }}
-          branches: true
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 000000000..4c1d8c2f6
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,20 @@
+name: NEW MAIN CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    types: [opened, synchronize, reopened]
+  workflow_dispatch:
+
+jobs:
+  julia-ci:
+    uses: julia-vscode/testitem-workflow/.github/workflows/testitemci.yml@main
+    with:
+      include-linux-x86: false
+      github_job_prep_script: test/github_job_prep.jl
+      env: '{"DISPLAY": ":99", "PYTHON": ""}'
+    secrets:
+      codecov_token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/test/github_job_prep.jl b/test/github_job_prep.jl
new file mode 100644
index 000000000..ca86d8723
--- /dev/null
+++ b/test/github_job_prep.jl
@@ -0,0 +1,3 @@
+if Sys.islinux()
+    run(Cmd(`Xvfb :99 -screen 0 1024x768x24`, detach=true), wait=false)
+end