Add command line unittest-fee

- Remove the cmake UNIT_TEST_REFERENCE_FEE setting
  - Replaced by --unittest-fee runtime param

.github/workflows/reusable-build-test-config.yml

@@ -25,6 +25,12 @@ on:
         type: string
         default: ""
 
+      unittest_args:
+        description: "Additional arguments to pass to rippled when running tests"
+        required: false
+        type: string
+        default: ""
+
       cmake_target:
         description: "The CMake target to build."
         required: true
@@ -257,11 +263,12 @@ jobs:
         working-directory: ${{ runner.os == 'Windows' && format('{0}/{1}', env.BUILD_DIR, inputs.build_type) || env.BUILD_DIR }}
         env:
           BUILD_NPROC: ${{ steps.nproc.outputs.nproc }}
+          UNITTEST_ARGS: ${{ inputs.unittest_args }}
         run: |
           set -o pipefail
           # Coverage builds are slower due to instrumentation; use fewer parallel jobs to avoid flakiness
           [ "$COVERAGE_ENABLED" = "true" ] && BUILD_NPROC=$(( BUILD_NPROC - 2 ))
-          ./xrpld --unittest --unittest-jobs "${BUILD_NPROC}" 2>&1 | tee unittest.log
+          ./xrpld --unittest --unittest-jobs "${BUILD_NPROC}" ${UNITTEST_ARGS} 2>&1 | tee unittest.log
 
       - name: Show test failure summary
         if: ${{ failure() && !inputs.build_only }}

.github/workflows/reusable-build-test.yml

@@ -53,6 +53,7 @@ jobs:
       build_type: ${{ matrix.build_type }}
       ccache_enabled: ${{ inputs.ccache_enabled }}
       cmake_args: ${{ matrix.cmake_args }}
+      unittest_args: ${{ matrix.unittest_args }}
       cmake_target: ${{ matrix.cmake_target }}
       runs_on: ${{ toJSON(matrix.architecture.runner) }}
       image: ${{ contains(matrix.architecture.platform, 'linux') && format('ghcr.io/xrplf/ci/{0}-{1}:{2}-{3}-sha-{4}', matrix.os.distro_name, matrix.os.distro_version, matrix.os.compiler_name, matrix.os.compiler_version, matrix.os.image_sha) || '' }}