diff --git a/.github/workflows/purge-cache.yml b/.github/workflows/purge-cache.yml
index 4a46c861900..f53581852d3 100644
--- a/.github/workflows/purge-cache.yml
+++ b/.github/workflows/purge-cache.yml
@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  cleanup:
+  purge-cache:
     runs-on: ubuntu-latest
     permissions:
       actions: write
@@ -27,38 +27,93 @@ jobs:
           # Last command must be successful so that workflow step does not fail
           echo Purging cache is complete.
 
+  rebuild-test-caches:
+    name: ${{ matrix.os }} ${{ matrix.INSTALL_TYPE }} ${{ matrix.PYTHON_VERSION }}
+    needs: purge-cache
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        INSTALL_TYPE: [pip, conda]
+        PYTHON_VERSION: ['3.8', '3.10', '3.12']
+        include:
+          - os: ubuntu-latest
+            INSTALL_TYPE: conda
+            PYTHON_VERSION: '3.9'
+          - os: macos-13
+            INSTALL_TYPE: conda
+            PYTHON_VERSION: '3.11'
+          - os: windows-latest
+            INSTALL_TYPE: pip
+            PYTHON_VERSION: '3.11'
+          - os: windows-latest
+            INSTALL_TYPE: conda
+            PYTHON_VERSION: '3.11'
+
+    steps:
+      - name: Checkout Push
+        uses: actions/checkout@v4
+
+      - name: Cache conda
+        uses: actions/cache@v4
+        with:
+          path: ~/conda_pkgs_dir
+          key: ${{ runner.os }}-cacheconda-install${{ matrix.INSTALL_TYPE }}-${{ matrix.PYTHON_VERSION }}-${{ hashFiles('requirements/*.yml') }}
+
+      - name: Cache pip
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-cachepip-install${{ matrix.INSTALL_TYPE }}-${{ hashFiles('setup.py') }}
+
+      - name: Create test environment
+        if: matrix.INSTALL_TYPE == 'conda'
+        uses: mamba-org/setup-micromamba@v2
+        with:
+          micromamba-version: '1.5.10-0'
+          environment-file: requirements/main.yml
+          environment-name: test
+          cache-downloads: true
+          cache-downloads-key: micromamba-downloads-test-${{ matrix.PYTHON_VERSION }}
+          create-args: python=${{ matrix.PYTHON_VERSION }}
+
   build-subrepos:
     name: Build subrepos
     needs:
-      - cleanup
+      - purge-cache
     uses: ./.github/workflows/build-subrepos.yml
 
   run-test-files:
     name: Run test-files
     needs:
-      - cleanup
+      - purge-cache
+      - rebuild-test-caches
     uses: ./.github/workflows/test-files.yml
 
   run-test-linux:
     name: Run test-linux
     needs:
-      - cleanup
+      - purge-cache
+      - rebuild-test-caches
     uses: ./.github/workflows/test-linux.yml
 
   run-test-mac:
     name: Run test-mac
     needs:
-      - cleanup
+      - purge-cache
+      - rebuild-test-caches
     uses: ./.github/workflows/test-mac.yml
 
   run-test-remoteclient:
     name: Run test-remoteclient
     needs:
-      - cleanup
+      - purge-cache
+      - rebuild-test-caches
     uses: ./.github/workflows/test-remoteclient.yml
 
   run-test-win:
     name: Run test-win
     needs:
-      - cleanup
+      - purge-cache
+      - rebuild-test-caches
     uses: ./.github/workflows/test-win.yml