add allow-arbitrary-extensions e2e test

tests/e2e/test-cases/allow-arbitrary-extensions/config.ts

@@ -0,0 +1,5 @@
+import { TestCaseConfig } from '../../test-cases/test-case-config';
+
+const config: TestCaseConfig = {};
+
+export = config;

tests/e2e/test-cases/allow-arbitrary-extensions/hello.d.json.ts

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+declare const hello: Record<any, any>;
+
+export default hello;

tests/e2e/test-cases/allow-arbitrary-extensions/hello.json

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+{
+  "test": 1
+}

tests/e2e/test-cases/allow-arbitrary-extensions/index.spec.js

@@ -0,0 +1 @@
+require('../run-test-case').runTestCase(__dirname);

tests/e2e/test-cases/allow-arbitrary-extensions/input.ts

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+import hello from "./hello.json";
+
+export function test() {
+	return hello
+}

tests/e2e/test-cases/allow-arbitrary-extensions/output.d.ts

@@ -0,0 +1,3 @@
+export declare function test(): Record<any, any>;
+
+export {};

tests/e2e/test-cases/allow-arbitrary-extensions/tsconfig.json

@@ -0,0 +1,9 @@
+{
+	"extends": "../tsconfig.json",
+	"compilerOptions": {
+		"allowJs": true,
+		"allowArbitraryExtensions": true,
+		"esModuleInterop": true,
+		"resolveJsonModule": true
+	}
+}