Fixed error where test for XOR operation with valid key had an invalid key

tests/node/tests/operations.mjs

@@ -989,7 +989,7 @@ smothering ampersand abreast`;
 
     it("XOR: should not throw 'Invalid Characters in key' error when key contains only valid characters", () => {
         assert.strictEqual(chef.XOR("fe023da5", {
-            key: "73 6f 6d 65",
+            key: "736f6d65",
             filterKey: false
         }).toString(),
         "\u0015\n]W@\u000b\fP");