GitHub Copilot: move runtime tests to provider contracts

extensions/github-copilot/index.test.ts

@@ -1,38 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { registerSingleProviderPlugin } from "../../src/test-utils/plugin-registration.js";
-import githubCopilotPlugin from "./index.js";
-
-const registerProvider = () => registerSingleProviderPlugin(githubCopilotPlugin);
-
-describe("github-copilot plugin", () => {
-  it("owns Copilot-specific forward-compat fallbacks", () => {
-    const provider = registerProvider();
-    const model = provider.resolveDynamicModel?.({
-      provider: "github-copilot",
-      modelId: "gpt-5.3-codex",
-      modelRegistry: {
-        find: (_provider: string, id: string) =>
-          id === "gpt-5.2-codex"
-            ? {
-                id,
-                name: id,
-                api: "openai-codex-responses",
-                provider: "github-copilot",
-                baseUrl: "https://api.copilot.example",
-                reasoning: true,
-                input: ["text"],
-                cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
-                contextWindow: 128_000,
-                maxTokens: 8_192,
-              }
-            : null,
-      } as never,
-    });
-
-    expect(model).toMatchObject({
-      id: "gpt-5.3-codex",
-      provider: "github-copilot",
-      api: "openai-codex-responses",
-    });
-  });
-});