fix: line mode answers in the merged tests

The TERM probe test answers the setup question, first-install keeps
its button name on one line and under 400 words, and --page of the
installer doc script is named on the page.

tests/test_install_tui.py

@@ -4921,6 +4921,8 @@ class EndToEnd(unittest.TestCase):
             with self.subTest(term=name):
                 self.env["TERM"] = name
                 term = self.start()
+                term.wait("Enter for RetroArch")
+                term.send("\r")
                 term.wait("Enter) install everything")
                 term.send("q\r")
                 term.close()

wiki/first-install.md

@@ -80,8 +80,9 @@ It opens a menu:
 ```
 
 - **Right folder?** Press Enter.
-- **Wrong folder, or a handheld's SD card?** Choose **Another setup or
-  folder**. Press / and type the device (Miyoo Mini), or browse.
+- **Wrong folder, or a handheld's SD card?** Choose
+  **Another setup or folder**. Press / and type the device (Miyoo Mini),
+  or browse.
 
 Arrows move, Enter chooses, Esc goes back, as A and B on a handheld.
 

wiki/installer.md

@@ -1388,7 +1388,8 @@ The tables of options, events, exit codes and keys on this page sit between
 from `EVENT_KEYS`, the codes from its `sys.exit` calls, the keys from
 `TUI_ROUTES`. The prose cells stay as written. A row the code gains stops the
 script until its text is added inside the markers, and `--check`, which a
-test runs, fails on a table behind the code.
+test runs, fails on a table behind the code. `--page FILE` renders another
+copy of the page, which the tests use.
 
 The [handheld](#on-a-handheld-the-retrobios-port) archives each carry
 `install.py`, the one the one-line command of the same commit downloads: