rename test yaml and added tests for clarity

Author: fkellner

modules/openapi-generator/src/test/java/org/openapitools/codegen/DefaultCodegenTest.java

@@ -790,8 +790,8 @@ public void testComposedSchemaOneOfWithProperties() {
     }
 
     @Test
-    public void testComposedSchemaOneOfAllOf() {
-        final OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/oneOf_inheritance.yaml");
+    public void testComposedSchemaOneOfWithInnerModel() {
+        final OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/oneOf_innerModel.yaml");
         final DefaultCodegen codegen = new DefaultCodegen();
 
         final Schema schema = openAPI.getComponents().getSchemas().get("RandomAnimalsResponse_animals_inner");

modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java

@@ -3862,8 +3862,8 @@ public void oneOfTest() {
     }
 
     @Test
-    public void oneOfInheritanceArrayFieldTest() {
-        final OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/oneOf_inheritance.yaml");
+    public void oneOfWithInnerModelTest() {
+        final OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/oneOf_innerModel.yaml");
         final JavaClientCodegen codegen = new JavaClientCodegen();
 
         final Schema schema = openAPI.getComponents().getSchemas().get("RandomAnimalsResponse_animals_inner");

modules/openapi-generator/src/test/java/org/openapitools/codegen/utils/ModelUtilsTest.java

@@ -644,7 +644,7 @@ public void isUnsupportedSchemaTest() {
 
     @Test
     public void getParentNameMultipleInterfacesTest() {
-        OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/oneOf_inheritance.yaml");
+        OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/oneOf_innerModel.yaml");
         Map<String, Schema> allSchemas = openAPI.getComponents().getSchemas();
         Schema composedSchema = allSchemas.get("RandomAnimalsResponse_animals_inner");
         assertNull(ModelUtils.getParentName(composedSchema, allSchemas));