[Tests] add missing fixture from d903477

Author: ljharb

tests/files/typescript-no-compiler-options/index.d.ts

@@ -0,0 +1,3 @@
+export as namespace Foo
+
+export function bar(): void

tests/files/typescript-no-compiler-options/tsconfig.json

@@ -0,0 +1,2 @@
+{
+}