test rename overhaul: step 5 - frog and leg tests

frog/tests/leg_only/literal_string_juxtaposition_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 main() {
   {
     // Generates identical compile time constants.
     var s1 = "abcdefgh";
     var s2 = "abcd" "efgh";
     var s3 = "ab" "cd" "ef" "gh";
@@ skipping 91 matching lines @@
     Expect.equals(@"-foo-42-true-",
                   @"-" "$x" @"""-""" """$y""" @'-' '$z' @'''-''', "j");
     Expect.equals(@"-$x-42-true-",
                   @"-" @"$x" @"""-""" """$y""" @'-' '$z' @'''-''', "k");
     Expect.equals(@"-foo-$y-true-",
                   @"-" "$x" @"""-""" @"""$y""" @'-' '$z' @'''-''', "l");
     Expect.equals(@"-foo-42-$z-",
                   @"-" "$x" @"""-""" """$y""" @'-' @'$z' @'''-''', "m");
   }
 }