Revert "Do not chomp trailing line separator IO#each with nil separator and chomp"

This reverts commit 04f86ad0b5d2fe4711ff300d855228a6aed55f33.

This is causing CI issues, reverting for now.

1 files changed, 1 insertions, 15 deletions

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index b8530e7400..0f42d8e164 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -312,7 +312,7 @@ class TestIO < Test::Unit::TestCase
       w.print "a\n\nb\n\n"
       w.close
     end, proc do |r|
-      assert_equal("a\n\nb\n\n", r.gets(nil, chomp: true), "[Bug #18770]")
+      assert_equal "a\n\nb\n", r.gets(nil, chomp: true)
       assert_nil r.gets("")
       r.close
     end)
@@ -1894,20 +1894,6 @@ class TestIO < Test::Unit::TestCase
       assert_equal("baz\n", e.next)
       assert_raise(StopIteration) { e.next }
     end)
-
-    pipe(proc do |w|
-      w.write "foo\n"
-      w.close
-    end, proc do |r|
-      assert_equal(["foo\n"], r.each_line(nil, chomp: true).to_a, "[Bug #18770]")
-    end)
-
-    pipe(proc do |w|
-      w.write "foo\n"
-      w.close
-    end, proc do |r|
-      assert_equal(["fo", "o\n"], r.each_line(nil, 2, chomp: true).to_a, "[Bug #18770]")
-    end)
   end
 
   def test_each_byte2