yampa-test: Adjust format of export lists (KSG Haskell 1.3.0 - 4.2). …

…Refs #212.

For lists or tuple elements separated by commas in which each value is listed
in a separate line, and when the Haskell syntax allows it, the comma must be
the first character of every line but the first.

This commit adjust commas and indentation of export lists.

yampa-test/tests/TestsFirstSecond.hs

@@ -3,7 +3,13 @@
 -- Description : Test cases for first and second
 -- Copyright   : Yale University, 2003
 -- Authors     : Antony Courtney and Henrik Nilsson
-module TestsFirstSecond (first_trs, first_tr, second_trs, second_tr) where
+module TestsFirstSecond
+    ( first_trs
+    , first_tr
+    , second_trs
+    , second_tr
+    )
+  where
 
 import Data.Tuple (swap)