fetch wiremock for async tests

Author: sfc-gh-pczajka

.github/workflows/build_test.yml

@@ -383,6 +383,15 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Display Python version
         run: python -c "import sys; print(sys.version)"
+      - name: Set up Java
+        uses: actions/setup-java@v4 # for wiremock
+        with:
+          java-version: 11
+          distribution: 'temurin'
+          java-package: 'jre'
+      - name: Fetch Wiremock
+        shell: bash
+        run: curl https://repo1.maven.org/maven2/org/wiremock/wiremock-standalone/3.11.0/wiremock-standalone-3.11.0.jar --output .wiremock/wiremock-standalone.jar
       - name: Setup parameters file
         shell: bash
         env: