[3.14] gh-143394: filter for turning off automatic margins in test_no_newline (GH-143433) (GH-143459)

(cherry picked from commit 04ace41)

Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>

Author: miss-islington

Lib/test/test_pyrepl/test_pyrepl.py

@@ -1981,6 +1981,17 @@ def test_no_newline(self):
             safe_patterns.append(r'\x1b\[\?25[hl]')  # cursor visibility
             safe_patterns.append(r'\x1b\[\?12[hl]')  # cursor blinking
 
+        # rmam / smam - automatic margins
+        rmam = ti.get("rmam")
+        smam = ti.get("smam")
+        if rmam:
+            safe_patterns.append(re.escape(rmam.decode("ascii")))
+        if smam:
+            safe_patterns.append(re.escape(smam.decode("ascii")))
+        if not rmam and not smam:
+            safe_patterns.append(r'\x1b\[\?7l') # turn off automatic margins
+            safe_patterns.append(r'\x1b\[\?7h') # turn on automatic margins
+
         # Modern extensions not in standard terminfo - always use patterns
         safe_patterns.append(r'\x1b\[\?2004[hl]')  # bracketed paste mode
         safe_patterns.append(r'\x1b\[\?12[hl]')  # cursor blinking (may be separate)