ci: improve erase_nvs test case

Author: hfudev

pytest-embedded-idf/tests/test_idf.py

@@ -183,7 +183,8 @@ def test_idf_serial_flash_with_erase_nvs(testdir):
         import pexpect
         import pytest
 
-        def test_idf_serial_flash(dut):
+        def test_idf_serial_flash_with_erase_nvs(dut):
+            dut.expect('Erasing region')  # from "erase-nvs"
             dut.expect('Hash of data verified.')  # from flash
             dut.expect('Hello world!')
             dut.expect('Restarting')