Retag test_base64

Author: msimacek

graalpython/com.oracle.graal.python.test/src/tests/unittest_tags/test_base64.txt

@@ -4,11 +4,14 @@
 *graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_b16encode
 *graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_b32decode_casefold
 *graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_b32decode_error
+*graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_b64encode
 *graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_b85_padding
 *graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_b85decode_errors
 *graalpython.lib-python.3.test.test_base64.BaseXYTestCase.test_decode_nonascii_str
 *graalpython.lib-python.3.test.test_base64.LegacyBase64TestCase.test_decode
 *graalpython.lib-python.3.test.test_base64.LegacyBase64TestCase.test_decodestring_warns
 *graalpython.lib-python.3.test.test_base64.LegacyBase64TestCase.test_encode
 *graalpython.lib-python.3.test.test_base64.LegacyBase64TestCase.test_encodestring_warns
+*graalpython.lib-python.3.test.test_base64.TestMain.test_decode
 *graalpython.lib-python.3.test.test_base64.TestMain.test_encode_decode
+*graalpython.lib-python.3.test.test_base64.TestMain.test_encode_file