Chore: fix invalid syntax in no-param-reassign test (#8360)

The parser would have reported an error for this syntax when we did an espree release.

tests/lib/rules/no-param-reassign.js

@@ -37,7 +37,7 @@ ruleTester.run("no-param-reassign", rule, {
         { code: "function foo(a, z) { a.b = 0; x.y = 0; }", options: [{ props: true, ignorePropertyModificationsFor: ["a", "x"] }] },
         { code: "function foo(a) { a.b.c = 0;}", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }] },
         {
-            code: "function foo(a) { ({ [a]: variable }) = value }",
+            code: "function foo(a) { ({ [a]: variable } = value) }",
             options: [{ props: true }],
             parserOptions: { ecmaVersion: 6 }
         }