Merge branch 'bugfix/spiffsgen_example_test' into 'master'

example: Fix spiffsgen example test

Closes IDFCI-223

See merge request espressif/esp-idf!11255

examples/storage/spiffsgen/example_test.py

@@ -15,7 +15,7 @@ def test_examples_spiffsgen(env, extra_data):
 
     # Expect hello.txt is read successfully
     with open(os.path.join(base_dir, 'hello.txt'), 'r') as hello_txt:
-        dut.expect('Read from hello.txt: ' + hello_txt.read())
+        dut.expect('Read from hello.txt: ' + hello_txt.read().rstrip())
 
     # Expect alice.txt MD5 hash is computed accurately
     with open(os.path.join(base_dir, 'sub', 'alice.txt'), 'rb') as alice_txt: