chore: migrate preconditions to use non-null error messages #601

	##
	# Copyright (C) 2024 Hedera Hashgraph, LLC
	#
	# Licensed 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: "E2E Test Suites"
	on:
	push:
	branches:
	- main
	- release/*
	pull_request:
	branches:
	- "*"

	defaults:
	run:
	shell: bash

	permissions:
	contents: read

	env:
	GRADLE_EXEC: ./gradlew

	jobs:
	e2e-tests:
	runs-on: block-node-linux-medium
	steps:
	- name: Harden Runner
	uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
	with:
	egress-policy: audit

	- name: Checkout code
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
	with:
	fetch-depth: 0

	- name: Expand Shallow Clone for Spotless
	run: \|
	if [ -f .git/shallow ]; then
	git fetch --unshallow --no-recurse-submodules
	else
	echo "Repository is not shallow, no need to unshallow."
	fi

	- name: Set up JDK 21
	uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v4.5.0
	with:
	distribution: "temurin"
	java-version: "21.0.4"

	- name: Run Acceptance Tests
	id: acceptance-tests
	run: ${GRADLE_EXEC} runSuites

Provide feedback