add unit test

Author: Jesse Trinity

src/testRunner/unittests/services/organizeImports.ts

@@ -591,6 +591,22 @@ import "lib1";
                 },
                 { path: "/lib1.ts", content: "" },
                 { path: "/lib2.ts", content: "" });
+            
+                testOrganizeImports("SortComments",
+                {
+                    path: "/test.ts",
+                    content: `
+// Header
+import "lib3";
+// Comment2
+import "lib2";
+// Comment1
+import "lib1";
+`,
+                },
+                { path: "/lib1.ts", content: "" },
+                { path: "/lib2.ts", content: "" },
+                { path: "/lib3.ts", content: "" });
 
             testOrganizeImports("AmbientModule",
                 {