diff --git a/glymur/test/test_opj_suite.py b/glymur/test/test_opj_suite.py
index a121071..f5298f8 100644
--- a/glymur/test/test_opj_suite.py
+++ b/glymur/test/test_opj_suite.py
@@ -360,7 +360,7 @@ class TestSuiteWarns(MetadataBase):
         self.assertEqual(jpdata.shape, (512, 768, 3))
 
     def test_NR_broken_jp2_dump(self):
-        jfile = opj_data_file('input/nonregression/broken.jp2')
+        jfile = opj_data_file('input/nonregression/broken1.jp2')
 
         with self.assertWarns(UserWarning):
             # colr box has bad length.
diff --git a/glymur/test/test_opj_suite_dump.py b/glymur/test/test_opj_suite_dump.py
index 0090ee3..f13b128 100644
--- a/glymur/test/test_opj_suite_dump.py
+++ b/glymur/test/test_opj_suite_dump.py
@@ -2919,93 +2919,6 @@ class TestSuiteWarns(MetadataBase):
 
         self.assertEqual(jp2.box[-1].main_header.segment[-1].marker_id, 'QCC')
 
-    @unittest.skipIf(sys.maxsize < 2**32, 'Do not run on 32-bit platforms')
-    def test_NR_broken3_jp2_dump(self):
-        """
-        NR_broken3_jp2_dump
-
-        The file in question here has a colr box with an erroneous box
-        length of over 1GB.  Don't run it on 32-bit platforms.
-        """
-        jfile = opj_data_file('input/nonregression/broken3.jp2')
-        with self.assertWarns(UserWarning):
-            # Bad box length.
-            jp2 = Jp2k(jfile)
-
-        ids = [box.box_id for box in jp2.box]
-        self.assertEqual(ids, ['jP  ', 'ftyp', 'jp2h', 'jp2c'])
-
-        ids = [box.box_id for box in jp2.box[2].box]
-        self.assertEqual(ids, ['ihdr', 'colr'])
-
-        self.verifySignatureBox(jp2.box[0])
-        self.verify_filetype_box(jp2.box[1], FileTypeBox())
-
-        ihdr = glymur.jp2box.ImageHeaderBox(152, 203, num_components=3)
-        self.verifyImageHeaderBox(jp2.box[2].box[0], ihdr)
-
-        colr = glymur.jp2box.ColourSpecificationBox(colorspace=SRGB)
-        self.verifyColourSpecificationBox(jp2.box[2].box[1], colr)
-
-        c = jp2.box[3].main_header
-
-        ids = [x.marker_id for x in c.segment]
-        expected = ['SOC', 'SIZ', 'CME', 'COD', 'QCD', 'QCC', 'QCC']
-        self.assertEqual(ids, expected)
-
-        kwargs = {'rsiz': 0, 'xysiz': (203, 152), 'xyosiz': (0, 0),
-                  'xytsiz': (203, 152), 'xytosiz': (0, 0),
-                  'bitdepth': (8, 8, 8),
-                  'signed': (False, False, False),
-                  'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
-        self.verifySizSegment(c.segment[1],
-                              glymur.codestream.SIZsegment(**kwargs))
-
-        pargs = RCME_ISO_8859_1, "Creator: JasPer Vers)on 1.701.0".encode()
-        self.verifyCMEsegment(c.segment[2], CMEsegment(*pargs))
-
-        # COD: Coding style default
-        self.assertFalse(c.segment[3].scod & 2)  # no sop
-        self.assertFalse(c.segment[3].scod & 4)  # no eph
-        self.assertEqual(c.segment[3].spcod[0], glymur.core.LRCP)
-        self.assertEqual(c.segment[3].layers, 1)  # layers = 1
-        self.assertEqual(c.segment[3].spcod[3], 1)  # mct
-        self.assertEqual(c.segment[3].spcod[4], 5)  # level
-        self.assertEqual(tuple(c.segment[3].code_block_size),
-                         (64, 64))  # cblk
-        self.verify_codeblock_style(c.segment[3].spcod[7],
-                                    [False, False, False, False, False, False])
-        self.assertEqual(c.segment[3].spcod[8],
-                         glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
-        self.assertEqual(len(c.segment[3].spcod), 9)
-
-        # QCD: Quantization default
-        self.assertEqual(c.segment[4].sqcd & 0x1f, 0)
-        self.assertEqual(c.segment[4].guard_bits, 2)
-        self.assertEqual(c.segment[4].mantissa, [0] * 16)
-        self.assertEqual(c.segment[4].exponent,
-                         [8] + [9, 9, 10] * 5)
-
-        # QCC: Quantization component
-        # associated component
-        self.assertEqual(c.segment[5].cqcc, 1)
-        self.assertEqual(c.segment[5].guard_bits, 2)
-        # quantization type
-        self.assertEqual(c.segment[5].sqcc & 0x1f, 0)  # none
-        self.assertEqual(c.segment[5].mantissa, [0] * 16)
-        self.assertEqual(c.segment[5].exponent,
-                         [8] + [9, 9, 10] * 5)
-
-        # QCC: Quantization component
-        # associated component
-        self.assertEqual(c.segment[6].cqcc, 2)
-        self.assertEqual(c.segment[6].guard_bits, 2)
-        # quantization type
-        self.assertEqual(c.segment[6].sqcc & 0x1f, 0)  # none
-        self.assertEqual(c.segment[6].mantissa, [0] * 16)
-        self.assertEqual(c.segment[6].exponent,
-                         [8] + [9, 9, 10] * 5)
-
     def test_NR_broken2_jp2_dump(self):
         """
         Invalid marker ID in the codestream.