Fix lint and fmt

src/compiler/pluginUtilities.ts

@@ -1,6 +1,4 @@
-import type {
-    CompilerOptions,
-} from "./types";
+import type { CompilerOptions } from "./types.js";
 
 /** @internal */
 export type Entrypoint = "tsc" | "typescript" | "tsserver" | "testRunner";

src/testRunner/_namespaces/ts.ts

@@ -10,5 +10,5 @@ export * from "../../harness/_namespaces/ts.js";
 import * as server from "./ts.server.js";
 export { server };
 
-import * as ts from "./ts";
+import * as ts from "./ts.js";
 ts.setTypeScriptNamespace("testRunner", ts);