fix: Properly update output streams in functions #847

	# Licensed to the Apache Software Foundation (ASF) under one or more
	# contributor license agreements. See the NOTICE file distributed with
	# this work for additional information regarding copyright ownership.
	# The ASF licenses this file to You under the Apache License, Version 2.0
	# (the "License"); you may not use this file except in compliance with
	# the License. You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	name: go-client
	on:
	pull_request:
	jobs:
	go-unit-tests:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	go-version: ["1.21.x"]
	os: [ubuntu-latest, macos-latest, windows-latest]
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go-version }}
	- name: GoImports check
	working-directory: ./streampipes-client-go
	run: \|
	go install golang.org/x/tools/cmd/goimports@latest
	goimports -l .
	- name: Run unit-tests
	working-directory: ./streampipes-client-go
	run: \|
	go test ./...

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