Revert "Update nested parameter parsing test"

This reverts commit 932e7a4.

Author: natecook1000

Tests/SwiftFormatTests/Core/DocumentationCommentTests.swift

@@ -269,24 +269,32 @@ final class DocumentationCommentTests: XCTestCase {
       └─ Text " A function."
       """
     )
-    XCTAssertEqual(paramComment.bodyNodes.count, 1)
+    XCTAssertTrue(paramComment.bodyNodes.isEmpty)
+    XCTAssertEqual(paramComment.parameterLayout, .separated)
+    XCTAssertEqual(paramComment.parameters.count, 2)
+    XCTAssertEqual(paramComment.parameters[0].name, "x")
     XCTAssertEqual(
-      paramComment.bodyNodes[0].debugDescription(),
+      paramComment.parameters[0].comment.briefSummary?.debugDescription(),
       """
-      UnorderedList
-      ├─ ListItem
-      │  └─ Paragraph
-      │     └─ Text "Parameter x: A value."
-      ├─ ListItem
-      │  └─ Paragraph
-      │     └─ Text "Parameter y: Another value."
-      └─ ListItem
-         └─ Paragraph
-            └─ Text "Returns: A result."
+      Paragraph
+      └─ Text " A value."
+      """
+    )
+    XCTAssertEqual(paramComment.parameters[1].name, "y")
+    XCTAssertEqual(
+      paramComment.parameters[1].comment.briefSummary?.debugDescription(),
+      """
+      Paragraph
+      └─ Text " Another value."
+      """
+    )
+    XCTAssertEqual(
+      paramComment.returns?.debugDescription(),
+      """
+      Paragraph
+      └─ Text " A result."
       """
     )
-    XCTAssertTrue(paramComment.parameters.isEmpty)
-    XCTAssertNil(paramComment.returns)
     XCTAssertNil(paramComment.throws)
   }
 }