Fix typo in test fixtures (#19473)

tests/format/js/comments/assignment/__snapshots__/format.test.js.snap

@@ -5,58 +5,58 @@ exports[`variable-declarator.js format 1`] = `
 parsers: ["babel", "flow", "typescript"]
                                                       printWidth: 80 (default) |
 =====================================input======================================
-let a1 // commment
+let a1 // comment
  = 1;
 let a12
-// commment
+// comment
  = 1;
-let a2 /* commment */
+let a2 /* comment */
  = 1;
 let a22
-/* commment */
+/* comment */
  = 1;
 let a3 /*
-commment */
+comment */
  = 1;
 let a32
 /*
-commment */
+comment */
  = 1;
 let a4 = // comment
 1;
 let a42 =
 // comment
 1;
-let a5 = /* commment */
+let a5 = /* comment */
 1;
 let a52 =
-/* commment */
+/* comment */
 1;
 
 =====================================output=====================================
-let a1 = 1; // commment
+let a1 = 1; // comment
 let a12 =
-  // commment
+  // comment
   1;
-let a2 = /* commment */ 1;
+let a2 = /* comment */ 1;
 let a22 =
-  /* commment */
+  /* comment */
   1;
 let a3 =
   /*
-commment */
+comment */
   1;
 let a32 =
   /*
-commment */
+comment */
   1;
 let a4 = 1; // comment
 let a42 =
   // comment
   1;
-let a5 = /* commment */ 1;
+let a5 = /* comment */ 1;
 let a52 =
-  /* commment */
+  /* comment */
   1;
 
 ================================================================================

tests/format/js/comments/assignment/variable-declarator.js

@@ -1,27 +1,27 @@
-let a1 // commment
+let a1 // comment
  = 1;
 let a12
-// commment
+// comment
  = 1;
-let a2 /* commment */
+let a2 /* comment */
  = 1;
 let a22
-/* commment */
+/* comment */
  = 1;
 let a3 /*
-commment */
+comment */
  = 1;
 let a32
 /*
-commment */
+comment */
  = 1;
 let a4 = // comment
 1;
 let a42 =
 // comment
 1;
-let a5 = /* commment */
+let a5 = /* comment */
 1;
 let a52 =
-/* commment */
+/* comment */
 1;