tests: Add HIL test for writting bins

espflash/tests/scripts/write-bin.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# https://github.com/esp-rs/espflash/issues/622 reproducer
+echo -ne "\x01\xa0" >binary_file.bin
+result=$(espflash write-bin 0x0 binary_file.bin 2>&1)
+echo "$result"
+if [[ ! $result =~ "Binary successfully written to flash!" ]]; then
+    echo "Failed to write binary"
+    exit 1
+fi
+
+result=$(espflash read-flash 0 64 flash_content.bin 2>&1)
+echo "$result"
+if [[ ! $result =~ "Flash content successfully read and written to" ]]; then
+    echo "Failed to read flash content"
+    exit 1
+fi
+# Check that the flash_content.bin contains the '01 a0' bytes
+if ! grep -q -a -F $'\x01\xa0' flash_content.bin; then
+    echo "Failed verifying content"
+    exit 1
+fi