Add more tests for "assignment like" node (#19447)

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

@@ -7216,7 +7216,7 @@ try {
 ================================================================================
 `;
 
-exports[`variable_declarator.js - {"semi":false} format 1`] = `
+exports[`variable-declarator.js - {"semi":false} format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
 semi: false
@@ -7366,7 +7366,7 @@ const foo3 = 123
 ================================================================================
 `;
 
-exports[`variable_declarator.js format 1`] = `
+exports[`variable-declarator.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]
                                                       printWidth: 80 (default) |

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

@@ -0,0 +1,65 @@
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`variable-declarator.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "flow", "typescript"]
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+let a1 // commment
+ = 1;
+let a12
+// commment
+ = 1;
+let a2 /* commment */
+ = 1;
+let a22
+/* commment */
+ = 1;
+let a3 /*
+commment */
+ = 1;
+let a32
+/*
+commment */
+ = 1;
+let a4 = // comment
+1;
+let a42 =
+// comment
+1;
+let a5 = /* commment */
+1;
+let a52 =
+/* commment */
+1;
+
+=====================================output=====================================
+let a1 = 1; // commment
+let a12 =
+  // commment
+  1;
+let a2 = /* commment */ 1;
+let a22 =
+  /* commment */
+  1;
+let a3 =
+  /*
+commment */
+  1;
+let a32 =
+  /*
+commment */
+  1;
+let a4 =
+  // comment
+  1;
+let a42 =
+  // comment
+  1;
+let a5 = /* commment */ 1;
+let a52 =
+  /* commment */
+  1;
+
+================================================================================
+`;

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

@@ -0,0 +1 @@
+runFormatTest(import.meta, ["babel", "flow", "typescript"]);

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

@@ -0,0 +1,27 @@
+let a1 // commment
+ = 1;
+let a12
+// commment
+ = 1;
+let a2 /* commment */
+ = 1;
+let a22
+/* commment */
+ = 1;
+let a3 /*
+commment */
+ = 1;
+let a32
+/*
+commment */
+ = 1;
+let a4 = // comment
+1;
+let a42 =
+// comment
+1;
+let a5 = /* commment */
+1;
+let a52 =
+/* commment */
+1;