doc: Add a few notes about how to use console checking

Tidy up the existing docs in line with current conventions.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/doc/develop/commands.rst b/doc/develop/commands.rst
index 6427844..77a7a4d 100644
--- a/doc/develop/commands.rst
+++ b/doc/develop/commands.rst
@@ -197,7 +197,6 @@
 
         ctx.current = buf;
         ut_assertok(acpi_fill_ssdt(&ctx));
-        console_record_reset();
         run_command("acpi items", 0);
         ut_assert_nextline("dev 'acpi-test', type 1, size 2");
         ut_assert_nextline("dev 'acpi-test2', type 1, size 2");
@@ -205,13 +204,11 @@
 
         ctx.current = buf;
         ut_assertok(acpi_inject_dsdt(&ctx));
-        console_record_reset();
         run_command("acpi items", 0);
         ut_assert_nextline("dev 'acpi-test', type 2, size 2");
         ut_assert_nextline("dev 'acpi-test2', type 2, size 2");
         ut_assert_console_end();
 
-        console_record_reset();
         run_command("acpi items -d", 0);
         ut_assert_nextline("dev 'acpi-test', type 2, size 2");
         ut_assert_nextlines_are_dump(2);
@@ -223,4 +220,8 @@
 
         return 0;
     }
-    DM_TEST(dm_test_acpi_cmd_items, UTF_SCAN_PDATA | UTF_SCAN_FDT);
+    DM_TEST(dm_test_acpi_cmd_items, UTF_SCAN_PDATA | UTF_SCAN_FDT | UTF_CONSOLE);
+
+Note that it is not necessary to call console_record_reset() unless you are
+trying to drop some unchecked output. Consider using ut_check_skip_to_line()
+instead.
diff --git a/doc/develop/tests_writing.rst b/doc/develop/tests_writing.rst
index 404d158..a328ebf 100644
--- a/doc/develop/tests_writing.rst
+++ b/doc/develop/tests_writing.rst
@@ -151,7 +151,6 @@
       buf[0x31] = 0x12;
       buf[0xff] = 0x12;
       buf[0x100] = 0x12;
-      ut_assertok(console_record_reset_enable());
       run_command("ms.b 1 ff 12", 0);
       ut_assert_nextline("00000030: 00 12 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................");
       ut_assert_nextline("--");