Changes

Summary

1. add YAML resource testing (commit: dd2a296) (details)

Commit dd2a296fc9bbaa0dab7e0dfe5ddf5109d45ad0ee by Lukas Harzenetter add YAML resource testing (commit: dd2a296)
	org.eclipse.winery.repository.rest/src/test/resources/entitytypes/nodetypes/addYamlNodeType.json
	org.eclipse.winery.repository.rest/src/test/java/org/eclipse/winery/repository/rest/resources/AbstractResourceTest.java
	org.eclipse.winery.repository.rest/src/test/resources/entitytypes/nodetypes/addecYamlNodeType.yml
	org.eclipse.winery.repository.rest/src/test/java/org/eclipse/winery/repository/rest/resources/entitytypes/nodetypes/YamlNodeTypesResourceTest.java
	org.eclipse.winery.repository/org.eclipse.winery.repository.visible/src/main/java/org/eclipse/winery/repository/TestWithGitBackedRepository.java