fix(ISSUE-810): tests additional and immutable

Author: sadfsdfdsa

test/v3/expected/one-of-empty.additional.ts

@@ -0,0 +1,30 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  "/test": {
+    get: {
+      responses: {
+        /** A list of types. */
+        200: unknown;
+      };
+    };
+  };
+}
+
+export interface components {
+  schemas: {
+    /** @description Enum with null and nullable */
+    Example: {
+      emptyAllOf?: { [key: string]: unknown };
+      emptyOneOf?: undefined & { [key: string]: unknown };
+      emptyAnyOf?: { [key: string]: unknown };
+    } & { [key: string]: unknown };
+  };
+}
+
+export interface operations {}
+
+export interface external {}

test/v3/expected/one-of-empty.immutable.ts

@@ -0,0 +1,30 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  readonly "/test": {
+    readonly get: {
+      readonly responses: {
+        /** A list of types. */
+        readonly 200: unknown;
+      };
+    };
+  };
+}
+
+export interface components {
+  readonly schemas: {
+    /** @description Enum with null and nullable */
+    readonly Example: {
+      readonly emptyAllOf?: undefined;
+      readonly emptyOneOf?: undefined;
+      readonly emptyAnyOf?: undefined;
+    };
+  };
+}
+
+export interface operations {}
+
+export interface external {}