Fix a few issues with the C generator (part 2) (#20227) #1

	name: Gradle plugin tests

	on:
	push:
	paths:
	- modules/openapi-generator-gradle-plugin/**
	pull_request:
	paths:
	- modules/openapi-generator-gradle-plugin/**

	jobs:
	test:
	name: Gradle plugin tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up JDK 11
	uses: actions/setup-java@v4
	with:
	java-version: 11
	distribution: 'temurin'
	- name: Cache maven dependencies
	uses: actions/cache@v4
	env:
	cache-name: cache-maven-repository
	with:
	path: \|
	~/.m2/repository
	~/.gradle
	!~/.gradle/caches/modules-2/modules-2.lock
	!~/.gradle/caches/*/plugin-resolution/
	!~/.m2/repository/org/openapitools/
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-test-gradle-plugin-${{ env.cache-name }}-
	${{ runner.os }}-test-gradle-plugin-
	- name: Run tests
	env:
	GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
	run: \|
	./mvnw clean --no-snapshot-updates --batch-mode --quiet install -DskipTests -Dorg.slf4j.simpleLogger.defaultLogLevel=error
	(cd modules/openapi-generator-gradle-plugin/samples/local-spec && ./gradlew buildGoSdk) # using gradle-6.8.3 via wrapper
	(cd modules/openapi-generator-gradle-plugin/samples/local-spec && ./gradlew openApiGenerate)
	(cd modules/openapi-generator-gradle-plugin/samples/local-spec && ./gradlew buildDotnetSdk)
	(cd modules/openapi-generator-gradle-plugin/samples/local-spec && gradle buildJavaResttemplateSdk) # not using gradle wrapper

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