diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c0bd32f..c30a07b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,23 +1,27 @@
-name: Python application
+name: feedbackxblock
 
 on:
   push:
-    branches: [ master, main ]
+    branches: [master, main]
   pull_request:
-    branches: [ master, main ]
 
 jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
+  test:
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        python-version: [2.7, 3.5, 3.8]
+        tox-env:
+          - quality
+          - py
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.5
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.5
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install flake8 pytest
+     - uses: actions/checkout@v2
+     - name: Set up Python ${{ matrix.python-version }}
+       uses: actions/setup-python@v2
+       with:
+         python-version: ${{ matrix.python-version }}
+     - name: Install dependencies
+       run: |
+         pip install tox
+     - name: Test with tox
+       run: tox -e ${{ matrix.tox-env }}
diff --git a/.gitignore b/.gitignore
index 915fc00..e3b41d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
 *pyc
 rate_xblock.egg-info
-*~
\ No newline at end of file
+*~
+.coverage
+.tox
+*.egg-info
+__pycache__
\ No newline at end of file
diff --git a/feedback/__init__.py b/feedback/__init__.py
index 90a76c1..a7e02e6 100644
--- a/feedback/__init__.py
+++ b/feedback/__init__.py
@@ -3,5 +3,3 @@
 course resources, and to think and synthesize about their experience
 in the course.
 """
-
-from .feedback import FeedbackXBlock
diff --git a/feedback/feedback.py b/feedback/feedback.py
index f0c2892..7e684d7 100644
--- a/feedback/feedback.py
+++ b/feedback/feedback.py
@@ -7,12 +7,13 @@
 
 import cgi
 import random
-
 import pkg_resources
+import six
 
 from xblock.core import XBlock
 from xblock.fields import Scope, Integer, String, List, Float
-from xblock.fragment import Fragment
+from web_fragments.fragment import Fragment
+
 
 # We provide default text which is designed to elicit student thought. We'd
 # like instructors to customize this to something highly structured (not
@@ -31,7 +32,7 @@
 # Unicode alt faces are cute, but we do nulls instead for a11y.
 ICON_SETS = {'face': [""]*5,  # u"😁😊😐😞😭",
              'num': u"12345",
-             'midface': [""]*5}  #u"😞😐😊😐😞"}
+             'midface': [""]*5}  # u"😞😐😊😐😞"}
 
 
 @XBlock.needs('i18n')
@@ -264,9 +265,9 @@ def studio_view(self, context):
         prompt = self.get_prompt(0)
         for idx in range(len(prompt['scale_text'])):
             prompt['likert{i}'.format(i=idx)] = prompt['scale_text'][idx]
-        frag = Fragment(unicode(html_str).format(**prompt))
+        frag = Fragment(six.text_type(html_str).format(**prompt))
         js_str = self.resource_string("static/js/src/studio.js")
-        frag.add_javascript(unicode(js_str))
+        frag.add_javascript(six.text_type(js_str))
         frag.initialize_js('FeedbackBlock',
                            {'icon_set': prompt['icon_set']})
         return frag
@@ -304,7 +305,7 @@ def vote(self, data):
         """
         # prompt_choice is initialized by student view.
         # Ideally, we'd break this out into a function.
-        prompt = self.get_prompt(self.prompt_choice)
+        prompt = self.get_prompt(self.prompt_choice)  # noqa
 
         # Make sure we're initialized
         self.init_vote_aggregate()
diff --git a/feedbacktests/__init__.py b/feedbacktests/__init__.py
index 823129e..e69de29 100644
--- a/feedbacktests/__init__.py
+++ b/feedbacktests/__init__.py
@@ -1 +0,0 @@
-from .test_feedback import TestFeedback
diff --git a/feedbacktests/conftest.py b/feedbacktests/conftest.py
new file mode 100644
index 0000000..1328b5f
--- /dev/null
+++ b/feedbacktests/conftest.py
@@ -0,0 +1,27 @@
+import pytest
+from mock import Mock
+
+from workbench.runtime import WorkbenchRuntime
+from xblock.fields import ScopeIds
+from xblock.runtime import DictKeyValueStore, KvsFieldData
+
+from feedback.feedback import FeedbackXBlock
+
+
+def generate_scope_ids(runtime, block_type):
+    """ helper to generate scope IDs for an XBlock """
+    def_id = runtime.id_generator.create_definition(block_type)
+    usage_id = runtime.id_generator.create_usage(def_id)
+    return ScopeIds('user', block_type, def_id, usage_id)
+
+
+@pytest.fixture
+def feedback_xblock():
+    """Feedback XBlock pytest fixture."""
+    runtime = WorkbenchRuntime()
+    key_store = DictKeyValueStore()
+    db_model = KvsFieldData(key_store)
+    ids = generate_scope_ids(runtime, 'feedback')
+    feedback_xblock = FeedbackXBlock(runtime, db_model, scope_ids=ids)
+    feedback_xblock.usage_id = Mock()
+    return feedback_xblock
diff --git a/feedbacktests/test_feedback.py b/feedbacktests/test_feedback.py
index cd467ad..96b44e4 100644
--- a/feedbacktests/test_feedback.py
+++ b/feedbacktests/test_feedback.py
@@ -1,9 +1,7 @@
 '''
-Tests for the FeedbackXBlock.
+Tests for the FeedbackXBlock that needs to run in Open edX.
 '''
 
-import json
-import sys
 
 from openedx.tests.xblock_integration.xblock_testcase import XBlockTestCase
 import mock
@@ -31,7 +29,7 @@ def set_random(self, random_patch_value):
 
 
 # pylint: disable=abstract-method
-class TestFeedback(PatchRandomMixin, XBlockTestCase):
+class FeedbackTestCase(PatchRandomMixin, XBlockTestCase):
     """
     Basic tests for the FeedbackXBlock. We set up a page with two
     of the block, make sure the page renders, toggle a few ratings,
diff --git a/feedbacktests/test_feedback_unit.py b/feedbacktests/test_feedback_unit.py
new file mode 100644
index 0000000..2de642c
--- /dev/null
+++ b/feedbacktests/test_feedback_unit.py
@@ -0,0 +1,52 @@
+"""
+Tests for the Feedback XBlock with heavy mocking.
+"""
+
+from mock import Mock
+
+
+def test_template_content(feedback_xblock):
+    """ Test content of FeedbackXBlock's student view """
+    student_fragment = feedback_xblock.render('student_view', Mock())
+    assert 'feedback' in student_fragment.content
+
+
+def test_studio_view(feedback_xblock):
+    """ Test content of FeedbackXBlock's author view """
+    student_fragment = feedback_xblock.render('studio_view', Mock())
+    assert 'feedback' in student_fragment.content
+
+
+def test_studio_submit(feedback_xblock):
+    """ Test the FeedbackXBlock's save action """
+    request_body = b"""{
+        "display_name": "foo"
+    }"""
+    request = Mock(method='POST', body=request_body)
+    response = feedback_xblock.studio_submit(request)
+    assert response.status_code == 200 and {'result': 'success'} == response.json, response.json
+
+
+def test_vote(feedback_xblock):
+    """ Test content of FeedbackXBlock's vote() method """
+    feedback_xblock.vote({'vote': 1})
+
+
+def test_feedback_method(feedback_xblock):
+    """ Test content of FeedbackXBlock's feedback() method """
+    request_body = b"""{
+        "freeform": "yes",
+        "vote": 1
+    }"""
+    request = Mock(method='POST', body=request_body)
+    response = feedback_xblock.feedback(request)
+
+    expected_response_json = {
+        "aggregate": [0, 1, 0, 0, 0],
+        "freeform": "yes",
+        "response": "Thank you for your feedback!",
+        "success": True,
+        "vote": 1,
+    }
+
+    assert response.status_code == 200 and response.json == expected_response_json, response.json
diff --git a/geckodriver.log b/geckodriver.log
new file mode 100644
index 0000000..e69de29
diff --git a/makeicons/test_icons.py b/makeicons/test_icons.py
index b59d1a5..a07fc03 100644
--- a/makeicons/test_icons.py
+++ b/makeicons/test_icons.py
@@ -9,7 +9,7 @@
 
 import unittest
 from bok_choy.web_app_test import WebAppTest
-from pages import IconsPage
+from .pages import IconsPage
 
 
 class TestIcons(WebAppTest):
@@ -29,5 +29,6 @@ def test_page_existence(self):
                     self.assertScreenshot("#"+style+icon+str(i+1),
                                           style+icon+str(i+1))
 
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..8543341
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,25 @@
+bok-choy>=1.1.1
+
+Django>=1.11,<2; python_version < '3'
+Django>=2.2,<2.3; python_version >= '3'
+
+django-pyfs>=2.2
+flake8>=3.8.4
+mock>=3.0.5
+
+pytest==4.6.11; python_version < '3'
+pytest>=6.1.2; python_version >= '3'
+
+pytest-cov>=2.10.1
+
+pytest-django>=3.10.0; python_version < '3'
+pytest-django>=4.1.0; python_version >= '3'
+
+six>=1.15.0
+
+web-fragments>=0.3.2
+
+XBlock==1.2.1; python_version < '3'
+XBlock>=1.4.0; python_version >= '3'
+
+xblock-sdk>=0.2.2
diff --git a/setup.py b/setup.py
index d5bf8a1..a26cc6d 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@ def package_data(pkg, roots):
     ],
     entry_points={
         'xblock.v1': [
-            'feedback = feedback:FeedbackXBlock',
+            'feedback = feedback.feedback:FeedbackXBlock',
         ],
         'xblock.test.v0': [
             'feedbacktest = feedbacktests:TestFeedback',
diff --git a/test_settings.py b/test_settings.py
new file mode 100644
index 0000000..37a7563
--- /dev/null
+++ b/test_settings.py
@@ -0,0 +1,7 @@
+"""
+Test settings for the Feedback XBlock.
+"""
+
+from workbench.settings import *
+
+from django.conf.global_settings import LOGGING
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..4e19a66
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,26 @@
+[tox]
+envlist = py{27,35,38},quality
+skipsdist = True
+
+[pytest]
+addopts = --cov=feedback --cov-report=term-missing
+
+[testenv]
+usedevelop=True
+passenv =
+    SELENIUM_BROWSER
+setenv =
+    DJANGO_SETTINGS_MODULE = test_settings
+deps =
+    -r{toxinidir}/requirements.txt
+commands =
+    # TODO: Activate the rest of the tests once they're fixed
+    {posargs:pytest feedbacktests/test_feedback_unit.py}
+
+[flake8]
+max-line-length = 160
+
+[testenv:quality]
+deps = flake8
+commands =
+    flake8 feedback feedbacktests makeicons setup.py