mark test_fileio:testUtf8BytesOpen as excluded from the tagged unittests

Author: cosminbasca

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_fileio.txt

@@ -41,7 +41,6 @@
 *graalpython.lib-python.3.test.test_fileio.COtherFileTests.testTruncateOnWindows
 *graalpython.lib-python.3.test.test_fileio.COtherFileTests.testUnclosedFDOnException
 *graalpython.lib-python.3.test.test_fileio.COtherFileTests.testUnicodeOpen
-*graalpython.lib-python.3.test.test_fileio.COtherFileTests.testUtf8BytesOpen
 *graalpython.lib-python.3.test.test_fileio.COtherFileTests.testWarnings
 *graalpython.lib-python.3.test.test_fileio.COtherFileTests.test_open_code
 *graalpython.lib-python.3.test.test_fileio.PyAutoFileTests.testAttributes
@@ -86,7 +85,6 @@
 *graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testTruncateOnWindows
 *graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testUnclosedFDOnException
 *graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testUnicodeOpen
-*graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testUtf8BytesOpen
 *graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testWarnings
 *graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.test_open_code
 *graalpython.lib-python.3.test.test_fileio.TestMain.test_main

mx.graalpython/mx_graalpython.py

@@ -413,7 +413,9 @@ def update_unittest_tags(args):
         ('test_multiprocessing_spawn.txt', '*graalpython.lib-python.3.test.test_multiprocessing_spawn.WithThreadsTestProcess.test_error_on_stdio_flush_1'),
         ('test_multiprocessing_spawn.txt', '*graalpython.lib-python.3.test.test_multiprocessing_spawn.WithThreadsTestProcess.test_error_on_stdio_flush_2'),
         ('test_fileio.txt', '*graalpython.lib-python.3.test.test_fileio.COtherFileTests.testBytesOpen'),
+        ('test_fileio.txt', '*graalpython.lib-python.3.test.test_fileio.COtherFileTests.testUtf8BytesOpen'),
         ('test_fileio.txt', '*graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testBytesOpen'),
+        ('test_fileio.txt', '*graalpython.lib-python.3.test.test_fileio.PyOtherFileTests.testUtf8BytesOpen'),
     }
 
     result_tags = linux_tags & darwin_tags - tag_exclusions