message: workaround pip install failure on pc64le
diff: @@ -355,11 +355,15 @@ functions:
  export VERSIONED_API_TESTS_PATH=$(pwd)/../data/versioned-api
  export MONGODB_API_VERSION="${MONGODB_API_VERSION}"
  + if [ "$(uname -m)" == "ppc64le" ]; then
  + echo "Skipping CSFLE test setup (CDRIVER-4246/CXX-2423)"
  + else
  # export environment variables for encryption tests
  set +o errexit
  export MONGOCXX_TEST_AWS_SECRET_ACCESS_KEY="${cse_aws_secret_access_key}"
  export MONGOCXX_TEST_AWS_ACCESS_KEY_ID="${cse_aws_access_key_id}"
  set -o errexit
  + fi
  # Clone drivers-evergreen-tools if not already present.
  pushd ../../
  @@ -373,6 +377,9 @@ functions:
  fi
  popd
  + if [ "$(uname -m)" == "ppc64le" ]; then
  + echo "Skipping CSFLE test setup (CDRIVER-4246/CXX-2423)"
  + else
  # Register CA certificate required by KMS TLS connections.
  echo "Registering CA certificate for KMS TLS tests..."
  register_ca_cert() {
  @@ -428,6 +435,7 @@ functions:
  wait_for_kms_server 8000
  wait_for_kms_server 8001
  echo "Waiting for mock KMS servers to start... done."
  + fi
  if [ "Windows_NT" == "$OS" ]; then
  CTEST_OUTPUT_ON_FAILURE=1 MSBuild.exe /p:Configuration=${build_type} RUN_TESTS.vcxproj
  