tools/mpremote/tests: Add test for RemoteFile.readline.

Signed-off-by: Damien George <[email protected]>

Author: dpgeorge

tools/mpremote/tests/test_mount.sh

@@ -26,3 +26,7 @@ $MPREMOTE mount ${TMP} exec "import mount_package; mount_package.x(); mount_pack
 echo -----
 $MPREMOTE mount ${TMP} exec "open('test.txt', 'w').write('hello world\n')"
 cat "${TMP}/test.txt"
+
+# Test RemoteFile.readline and RemoteFile.readlines methods.
+echo -----
+$MPREMOTE mount ${TMP} exec "print(open('test.txt').readlines())"

tools/mpremote/tests/test_mount.sh.exp

@@ -5,3 +5,6 @@ Local directory ${TMP} is mounted at /remote
 -----
 Local directory ${TMP} is mounted at /remote
 hello world
+-----
+['hello world\n']
+Local directory ${TMP} is mounted at /remote