Fix test

Author: MelleD

core/esmf-aspect-model-document-generators/src/main/java/org/eclipse/esmf/aspectmodel/generator/AbstractSchemaArtifact.java

@@ -150,7 +150,7 @@ protected String jsonToYaml( final JsonNode json ) {
       }
    }
 
-   private static class OpenApiStringQuotingChecker extends StringQuotingChecker.Default {
+   public static class OpenApiStringQuotingChecker extends StringQuotingChecker.Default {
 
       @Override
       protected boolean valueHasQuotableChar( final String inputStr ) {

core/esmf-aspect-model-document-generators/src/test/java/org/eclipse/esmf/aspectmodel/generator/openapi/AspectModelOpenApiGeneratorTest.java

@@ -29,6 +29,7 @@
 import java.util.stream.Collectors;
 
 import org.eclipse.esmf.aspectmodel.generator.AbstractGenerator;
+import org.eclipse.esmf.aspectmodel.generator.AbstractSchemaArtifact;
 import org.eclipse.esmf.metamodel.Aspect;
 import org.eclipse.esmf.metamodel.Property;
 import org.eclipse.esmf.test.TestAspect;
@@ -43,6 +44,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
 import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
 import com.google.common.collect.Streams;
@@ -303,7 +305,9 @@ void testInValidParameterName() throws IOException {
    @Test
    void testYamlGenerator() throws IOException {
       final Aspect aspect = TestResources.load( TestAspect.ASPECT_WITHOUT_SEE_ATTRIBUTE ).aspect();
-      final YAMLMapper yamlMapper = new YAMLMapper().enable( YAMLGenerator.Feature.MINIMIZE_QUOTES );
+      final YAMLFactory yamlFactory = YAMLFactory.builder()
+            .stringQuotingChecker( new AbstractSchemaArtifact.OpenApiStringQuotingChecker() ).build();
+      final YAMLMapper yamlMapper = new YAMLMapper( yamlFactory ).enable( YAMLGenerator.Feature.MINIMIZE_QUOTES );
       final OpenApiSchemaGenerationConfig yamlConfig = OpenApiSchemaGenerationConfigBuilder.builder()
             .useSemanticVersion( true )
             .baseUrl( TEST_BASE_URL )