Add newline in the end of test case files so that the concat of all files works in all cases proper

test/t/_assert.rb

@@ -64,3 +64,4 @@ def report()
   print($kill_test)
   print("\n")
 end
+

test/t/bs_block.rb

@@ -388,3 +388,4 @@ assert('BS Block [ruby-core:14395]') do
   t = Controller.new
   t.test_for_bug
 end
+

test/t/bs_class.rb

@@ -118,3 +118,4 @@ end
 assert('BS Class Dup 2') do
   module M; end;  M.dup.class == Module
 end
+

test/t/bs_exception.rb

@@ -154,4 +154,5 @@ assert('BS Exception 10') do
   ensure
     7+7
   end == 12
-end 
+end
+

test/t/bs_literal.rb

@@ -35,4 +35,5 @@ end
 
 assert('BS Literal 9') do
   Fixnum == 1234.class
-end
+end
+

test/t/time.rb

@@ -71,3 +71,4 @@ end
 assert('Time#new') do
   Time.new.class == Time
 end
+