diff --git a/tests/operations/tests/BitwiseOp.mjs b/tests/operations/tests/BitwiseOp.mjs
index b8716aeb..af32c72a 100644
--- a/tests/operations/tests/BitwiseOp.mjs
+++ b/tests/operations/tests/BitwiseOp.mjs
@@ -10,81 +10,92 @@ import TestRegister from "../../lib/TestRegister.mjs";
 TestRegister.addTests([
     {
         name: "Bit shift left",
-        input:          "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
-        expectedOutput: "10101010 01010100 11111110 00000000 11100000 00011110 01100110 10011000",
+        input: "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
+        expectedOutput:
+            "10101010 01010100 11111110 00000000 11100000 00011110 01100110 10011000",
         recipeConfig: [
-            { "op": "From Binary",
-                "args": ["Space"] },
-            { "op": "Bit shift left",
-                "args": [1] },
-            { "op": "To Binary",
-                "args": ["Space"] }
-        ]
+            { op: "From Binary", args: ["Space"] },
+            { op: "Bit shift left", args: [1] },
+            { op: "To Binary", args: ["Space"] },
+        ],
     },
     {
         name: "Bit shift right: Logical shift",
-        input:          "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
-        expectedOutput: "00101010 01010101 01111111 00000000 01111000 00000111 00011001 01100110",
+        input: "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
+        expectedOutput:
+            "00101010 01010101 01111111 00000000 01111000 00000111 00011001 01100110",
         recipeConfig: [
-            { "op": "From Binary",
-                "args": ["Space"] },
-            { "op": "Bit shift right",
-                "args": [1, "Logical shift"] },
-            { "op": "To Binary",
-                "args": ["Space"] }
-        ]
+            { op: "From Binary", args: ["Space"] },
+            { op: "Bit shift right", args: [1, "Logical shift"] },
+            { op: "To Binary", args: ["Space"] },
+        ],
     },
     {
         name: "Bit shift right: Arithmetic shift",
-        input:          "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
-        expectedOutput: "00101010 11010101 11111111 00000000 11111000 00000111 00011001 11100110",
+        input: "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
+        expectedOutput:
+            "00101010 11010101 11111111 00000000 11111000 00000111 00011001 11100110",
         recipeConfig: [
-            { "op": "From Binary",
-                "args": ["Space"] },
-            { "op": "Bit shift right",
-                "args": [1, "Arithmetic shift"] },
-            { "op": "To Binary",
-                "args": ["Space"] }
-        ]
+            { op: "From Binary", args: ["Space"] },
+            { op: "Bit shift right", args: [1, "Arithmetic shift"] },
+            { op: "To Binary", args: ["Space"] },
+        ],
     },
     {
         name: "XOR: empty",
         input: "",
         expectedOutput: "",
         recipeConfig: [
-            { "op": "From Binary",
-                "args": ["Space"] },
-            { "op": "XOR",
-                "args": ["binary", "11111111", "Standard", false] },
-            { "op": "To Binary",
-                "args": ["Space"] }
-        ]
+            { op: "From Binary", args: ["Space"] },
+            {
+                op: "XOR",
+                args: [
+                    { option: "Binary", string: "11111111" },
+                    "Standard",
+                    false,
+                ],
+            },
+            { op: "To Binary", args: ["Space"] },
+        ],
     },
     {
         name: "XOR: 1111111, standard, no preserve nulls",
-        input:          "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
-        expectedOutput: "10101010 01010101 00000000 11111111 00001111 11110000 11001100 00110011",
+        input: "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
+        expectedOutput:
+            "10101010 01010101 00000000 11111111 00001111 11110000 11001100 00110011",
         recipeConfig: [
-            { "op": "From Binary",
-                "args": ["Space"] },
-            { "op": "XOR",
-                "args": ["binary", "11111111", "Standard", false] },
-            { "op": "To Binary",
-                "args": ["Space"] }
-        ]
+            { op: "From Binary", args: ["Space"] },
+            {
+                op: "XOR",
+                args: [
+                    { option: "Binary", string: "11111111" },
+                    "Standard",
+                    false,
+                ],
+            },
+            { op: "To Binary", args: ["Space"] },
+        ],
     },
     {
         name: "XOR: 1111111, standard, preserve nulls",
-        input:          "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
-        // Should the ones be kept as ones? Seems like it's not a null that we're preserving...
-        expectedOutput: "10101010 01010101 11111111 00000000 00001111 11110000 11001100 00110011",
+        input: "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",
+        /*
+         * We preserve the all 1's case as well, as the `preserve nulls` option
+         * also preserves the bytes if they're equivalent to the key
+         */
+        expectedOutput:
+            "10101010 01010101 11111111 00000000 00001111 11110000 11001100 00110011",
         recipeConfig: [
-            { "op": "From Binary",
-                "args": ["Space"] },
-            { "op": "XOR",
-                "args": ["binary", "11111111", "Standard", true] },
-            { "op": "To Binary",
-                "args": ["Space"] }
-        ]
+            { op: "From Binary", args: ["Space"] },
+            {
+                op: "XOR",
+                args: [
+                    { option: "Binary", string: "11111111" },
+                    "Standard",
+                    true,
+                ],
+            },
+            { op: "To Binary", args: ["Space"] },
+        ],
     },
 ]);