fix IL/DL test

fixtures/escape_sequence_files/t0076-DECSTBM_IL_DL.text

@@ -1,4 +1,3 @@
- 6  C
  8  ^^^^
  9  vvvv  DL on line 11, expected:  ACD_
 10  A
@@ -13,14 +12,14 @@
 19  vvvv  IL on line 21, expected:  A_
 20  A
 
-
 22  ^^^^
-24  A
-25  B
-27  vvvv  DL on line 28, expected:  B_
 
+23  vvvv  IL on line 24, expected:  _A
+25  B
+26  ^^^^
 28  A
+
 29  B
 30  ^^^^
 31
-32
+32

src/Terminal2.test.ts

@@ -17,8 +17,6 @@ const ROWS = 25;
 
 const TESTFILES = glob.sync('**/escape_sequence_files/*.in', { cwd: path.join(__dirname, '..')});
 const SKIP_FILES = [
-  't0076-DECSTBM_IL_DL.in',   // not working due to lineFeed
-  't0077-DECSTBM_quirks.in',
   't0084-CBT.in',
   't0101-NLM.in',
   't0103-reverse_wrap.in',