tests: move testcase from rebase-named-branches to rebase-parameters

It saves us a clone of a repository.

tests/test-rebase-named-branches.t

@@ -83,40 +83,3 b' Rebasing descendant onto ancestor across'
   o  0: 'A'
   
   $ cd ..
- 
-Rebasing descendant onto ancestor across the same named branches
-
-  $ hg clone -q -u . a a2
-
-  $ cd a2
-
-  $ echo I > I
-
-  $ hg ci -AmI
-  adding I
-
-  $ hg tglog
-  @  8: 'I'
-  |
-  o  7: 'H'
-  |
-  | o  6: 'G'
-  |/|
-  o |  5: 'F'
-  | |
-  | o  4: 'E'
-  |/
-  | o  3: 'D'
-  | |
-  | o  2: 'C'
-  | |
-  | o  1: 'B'
-  |/
-  o  0: 'A'
-  
-  $ hg rebase -s 8 -d 7
-  abort: source is descendant of destination
-  [255]
-
-  $ cd ..
- 

tests/test-rebase-parameters.t

@@ -50,6 +50,10 b' These fail:'
   $ hg clone -q -u . a a1
   $ cd a1
 
+  $ hg rebase -s 8 -d 7
+  abort: source is descendant of destination
+  [255]
+
   $ hg rebase --continue --abort
   abort: cannot use both abort and continue
   [255]