Expand test cases of # for Bash

Author: ericcornelissen

test/fixtures/unix.js

@@ -2002,6 +2002,22 @@ export const escape = {
         input: "a\t#b",
         expected: "a\\\t\\#b",
       },
+      {
+        input: "#a #b",
+        expected: "\\#a\\ \\#b",
+      },
+      {
+        input: "#a\t#b",
+        expected: "\\#a\\\t\\#b",
+      },
+      {
+        input: "a #b #c",
+        expected: "a\\ \\#b\\ \\#c",
+      },
+      {
+        input: "a\t#b\t#c",
+        expected: "a\\\t\\#b\\\t\\#c",
+      },
     ],
     "dollar signs ('$')": [
       {