exclude install test from mac build

Author: jonathan-r-thorpe

.github/workflows/build-test.yml

@@ -314,6 +314,7 @@ jobs:
         echo "CMAKE_WORKSPACE=${RUNNER_WORKSPACE//\\/\/}" >> $GITHUB_ENV
 
     - name: install test
+      if: runner.os != 'macOS'
       uses: lukka/[email protected]
       with:
         cmakeListsOrSettingsJson: CMakeListsTxtAdvanced
@@ -325,10 +326,10 @@ jobs:
             -DCMAKE_MODULE_PATH="${{ env.CMAKE_WORKSPACE }}/build/conan"
             -DCMAKE_PREFIX_PATH="${{ env.CMAKE_WORKSPACE }}/install"
             -DCMAKE_INSTALL_PREFIX="${{ env.CMAKE_WORKSPACE }}/build/conan"
-            ${{ env.CMAKE_EXTRA_ARGS }}
             ${{ env.CMAKE_COMPILER_ARGS }}'
 
     - name: install test log
+      if: runner.os != 'macOS'
       run: |
         # dump the log file created in Sandbox/my-nmos-node/CMakeLists.txt
         cat ${{ env.RUNNER_WORKSPACE }}/build-my-nmos-node/my-nmos-node_include-release.txt