fixup: add more tests and update comment rule

Author: d3lm

src/rules/comment-syntax.ts

@@ -154,7 +154,7 @@ export default createRule<Options, MessageIds>({
               context.report({ node: comment, messageId: 'lineCommentCapital' });
             }
 
-            if (lastChar === '.' && !comment.value.endsWith('etc.') && !comment.value.endsWith(' ...')) {
+            if (lastChar === '.' && !comment.value.endsWith('etc.') && !comment.value.endsWith('...')) {
               context.report({ node: comment, messageId: 'lineCommentEnding' });
             }
 

test/rules/comment.spec.ts

@@ -16,6 +16,31 @@ ruleTester({
         // SHOULD be valid
       `,
     },
+    {
+      code: stripIndent`
+        // #region foo
+      `,
+    },
+    {
+      code: stripIndent`
+        // #endregion foo
+      `,
+    },
+    {
+      code: stripIndent`
+        // foo...
+      `,
+    },
+    {
+      code: stripIndent`
+        // foo ...
+      `,
+    },
+    {
+      code: stripIndent`
+        // foo etc.
+      `,
+    },
     {
       code: stripIndent`
         /// <reference path="../../../../node_modules/@types/should_be_valid.d.ts" />