Auto merge of #11715 - Enyium:amend-mdman-tests, r=weihanglo

Amend `mdman` tests.

- Revert most of changes to expected test output from commit 2a4ec9f2.
- Keep later changes to expected test output from commit 0263ef43.
- Change test input that's converted to trigger similar output as previously.

Following [this](https://github.com/rust-lang/cargo/pull/11646#discussion_r1105895081) comment from `@ehuss.`

crates/mdman/tests/compare/expected/formatting.1

@@ -66,8 +66,14 @@ With a second paragraph inside it
 .sp
 .RS 4
 \h'-04'\(bu\h'+02'Milk
-5. Don\[cq]t start at one.
-6. tamarind
+.sp
+.RS 4
+\h'-04' 5.\h'+01'Don\[cq]t start at one.
+.RE
+.sp
+.RS 4
+\h'-04' 6.\h'+01'tamarind
+.RE
 .RE
 .RE
 .sp

crates/mdman/tests/compare/expected/formatting.md

@@ -50,6 +50,7 @@ turned dear crud grizzly strenuously.
     * Eggs
 
     * Milk
+
         5. Don't start at one.
         6. tamarind
 

crates/mdman/tests/compare/expected/formatting.txt

@@ -43,7 +43,11 @@ LISTS
 
           o  Eggs
 
-          o  Milk 5. Don’t start at one. 6. tamarind
+          o  Milk
+
+             5. Don’t start at one.
+
+             6. tamarind
 
        2. Second element
 

crates/mdman/tests/compare/formatting.md

@@ -50,6 +50,7 @@ turned dear crud grizzly strenuously.
     * Eggs
 
     * Milk
+
         5. Don't start at one.
         6. tamarind