diff --git a/test/functional/framework_test_script.py b/test/functional/framework_test_script.py
deleted file mode 100755
--- a/test/functional/framework_test_script.py
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/usr/bin/env python3
-# Copyright (c) 2020 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-"""Tests for test_framework.script."""
-
-from test_framework.test_framework import BitcoinTestFramework
-from test_framework.script import bn2vch
-from test_framework.util import assert_equal
-
-
-def test_bn2vch():
-    assert_equal(bn2vch(0), bytes([]))
-    assert_equal(bn2vch(1), bytes([0x01]))
-    assert_equal(bn2vch(-1), bytes([0x81]))
-    assert_equal(bn2vch(0x7F), bytes([0x7F]))
-    assert_equal(bn2vch(-0x7F), bytes([0xFF]))
-    assert_equal(bn2vch(0x80), bytes([0x80, 0x00]))
-    assert_equal(bn2vch(-0x80), bytes([0x80, 0x80]))
-    assert_equal(bn2vch(0xFF), bytes([0xFF, 0x00]))
-    assert_equal(bn2vch(-0xFF), bytes([0xFF, 0x80]))
-    assert_equal(bn2vch(0x100), bytes([0x00, 0x01]))
-    assert_equal(bn2vch(-0x100), bytes([0x00, 0x81]))
-    assert_equal(bn2vch(0x7FFF), bytes([0xFF, 0x7F]))
-    assert_equal(bn2vch(-0x8000), bytes([0x00, 0x80, 0x80]))
-    assert_equal(bn2vch(-0x7FFFFF), bytes([0xFF, 0xFF, 0xFF]))
-    assert_equal(bn2vch(0x80000000), bytes([0x00, 0x00, 0x00, 0x80, 0x00]))
-    assert_equal(bn2vch(-0x80000000), bytes([0x00, 0x00, 0x00, 0x80, 0x80]))
-    assert_equal(bn2vch(0xFFFFFFFF), bytes([0xFF, 0xFF, 0xFF, 0xFF, 0x00]))
-
-    assert_equal(bn2vch(123456789), bytes([0x15, 0xCD, 0x5B, 0x07]))
-    assert_equal(bn2vch(-54321), bytes([0x31, 0xD4, 0x80]))
-
-
-class FrameworkTestScript(BitcoinTestFramework):
-    def setup_network(self):
-        pass
-
-    def set_test_params(self):
-        self.num_nodes = 0
-
-    def run_test(self):
-        test_bn2vch()
-
-
-if __name__ == '__main__':
-    FrameworkTestScript().main()
diff --git a/test/functional/test_framework/script.py b/test/functional/test_framework/script.py
--- a/test/functional/test_framework/script.py
+++ b/test/functional/test_framework/script.py
@@ -9,6 +9,7 @@
 
 import hashlib
 import struct
+import unittest
 
 from .messages import (
     CTransaction,
@@ -750,3 +751,31 @@
     ss += struct.pack("<I", hashtype)
 
     return hash256(ss)
+
+
+class TestFrameworkScript(unittest.TestCase):
+    def test_bn2vch(self):
+        self.assertEqual(bn2vch(0), bytes([]))
+        self.assertEqual(bn2vch(1), bytes([0x01]))
+        self.assertEqual(bn2vch(-1), bytes([0x81]))
+        self.assertEqual(bn2vch(0x7F), bytes([0x7F]))
+        self.assertEqual(bn2vch(-0x7F), bytes([0xFF]))
+        self.assertEqual(bn2vch(0x80), bytes([0x80, 0x00]))
+        self.assertEqual(bn2vch(-0x80), bytes([0x80, 0x80]))
+        self.assertEqual(bn2vch(0xFF), bytes([0xFF, 0x00]))
+        self.assertEqual(bn2vch(-0xFF), bytes([0xFF, 0x80]))
+        self.assertEqual(bn2vch(0x100), bytes([0x00, 0x01]))
+        self.assertEqual(bn2vch(-0x100), bytes([0x00, 0x81]))
+        self.assertEqual(bn2vch(0x7FFF), bytes([0xFF, 0x7F]))
+        self.assertEqual(bn2vch(-0x8000), bytes([0x00, 0x80, 0x80]))
+        self.assertEqual(bn2vch(-0x7FFFFF), bytes([0xFF, 0xFF, 0xFF]))
+        self.assertEqual(bn2vch(0x80000000),
+                         bytes([0x00, 0x00, 0x00, 0x80, 0x00]))
+        self.assertEqual(bn2vch(-0x80000000),
+                         bytes([0x00, 0x00, 0x00, 0x80, 0x80]))
+        self.assertEqual(bn2vch(0xFFFFFFFF),
+                         bytes([0xFF, 0xFF, 0xFF, 0xFF, 0x00]))
+        self.assertEqual(bn2vch(123456789),
+                         bytes([0x15, 0xCD, 0x5B, 0x07]))
+        self.assertEqual(bn2vch(-54321),
+                         bytes([0x31, 0xD4, 0x80]))
diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py
--- a/test/functional/test_runner.py
+++ b/test/functional/test_runner.py
@@ -30,6 +30,7 @@
 import threading
 import multiprocessing
 from queue import Queue, Empty
+import unittest
 
 # Formatting. Default colors to empty strings.
 BOLD, GREEN, RED, GREY = ("", ""), ("", ""), ("", ""), ("", "")
@@ -73,6 +74,10 @@
 TEST_EXIT_PASSED = 0
 TEST_EXIT_SKIPPED = 77
 
+TEST_FRAMEWORK_MODULES = [
+    "script",
+]
+
 NON_SCRIPTS = [
     # These are python files that live in the functional tests directory, but
     # are not test scripts.
@@ -358,6 +363,20 @@
         print("{}WARNING!{} There is a cache directory here: {}. If tests fail unexpectedly, try deleting the cache directory.".format(
             BOLD[1], BOLD[0], cache_dir))
 
+    # Test Framework Tests
+    print("Running Unit Tests for Test Framework Modules")
+    test_framework_tests = unittest.TestSuite()
+    for module in TEST_FRAMEWORK_MODULES:
+        test_framework_tests.addTest(
+            unittest.TestLoader().loadTestsFromName(
+                "test_framework.{}".format(module)))
+    result = unittest.TextTestRunner(
+        verbosity=1, failfast=True).run(test_framework_tests)
+    if not result.wasSuccessful():
+        logging.debug(
+            "Early exiting after failure in TestFramework unit tests")
+        sys.exit(False)
+
     flags = ['--cachedir={}'.format(cache_dir)] + args
 
     if enable_coverage:
@@ -656,7 +675,7 @@
     LEEWAY = 0
 
     good_prefixes_re = re.compile(
-        "(abc_)?(example|feature|interface|mempool|mining|p2p|rpc|wallet|tool|framework_test)_")
+        "(abc_)?(example|feature|interface|mempool|mining|p2p|rpc|wallet|tool)_")
     bad_script_names = [
         script for script in all_scripts if good_prefixes_re.match(script) is None]