A fix for Win functional tests

.github/workflows/ci.yml

@@ -146,6 +146,13 @@ jobs:
           path: ~/AppData/Local/vcpkg/archives
           key: ${{ github.job }}-vcpkg-binary-${{ hashFiles('cmake_version', 'msbuild_version', 'toolset_version', 'vcpkg.json') }}
 
+      - name: Restore Ccache cache
+        id: ccache-cache
+        uses: actions/cache/restore@v4
+        with:
+          path: ~/AppData/Local/ccache
+          key: ${{ github.job }}-ccache-
+
       - name: Build
         working-directory: build
         run: |
@@ -162,7 +169,6 @@ jobs:
         if: github.event_name != 'pull_request' && steps.ccache-cache.outputs.cache-hit != 'true'
         with:
           path: ~/AppData/Local/ccache
-          # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#update-a-cache
           key: ${{ github.job }}-ccache-${{ github.run_id }}
 
       - name: Run test suite
@@ -173,6 +179,7 @@ jobs:
       - name: Run functional tests
         working-directory: build
         env:
+          BITCOIND: '${{ github.workspace }}\build\src\Release\bitcoind.exe'
           TEST_RUNNER_EXTRA: ${{ github.event_name != 'pull_request' && '--extended' || '' }}
         shell: cmd
         run: py -3 test\functional\test_runner.py --jobs %NUMBER_OF_PROCESSORS% --ci --quiet --tmpdirprefix=%RUNNER_TEMP% --combinedlogslen=99999999 --timeout-factor=%TEST_RUNNER_TIMEOUT_FACTOR% %TEST_RUNNER_EXTRA%