diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 8fa7260..6d26701 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -26,6 +26,12 @@ jobs:
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Linting...
       run: |
-        isort --check --diff tastytrade/
-        flake8 --count --show-source --statistics tastytrade/
+        isort --check --diff tastytrade/ tests/
+        flake8 --count --show-source --statistics tastytrade/ tests/
         mypy -p tastytrade
+    - name: Testing...
+      run: |
+        python -m pytest --cov=tastytrade --cov-report=term-missing tests/
+      env:
+        TT_USERNAME: ${{ secrets.TT_USERNAME }}
+        TT_PASSWORD: ${{ secrets.TT_PASSWORD }}
diff --git a/Makefile b/Makefile
index be7d47a..88eaea6 100644
--- a/Makefile
+++ b/Makefile
@@ -7,11 +7,14 @@ venv:
 	python -m venv env
 	env/bin/pip install -r requirements.txt
 
-test:
-	isort --check --diff tastytrade/
-	flake8 --count --show-source --statistics tastytrade/
+lint:
+	isort --check --diff tastytrade/ tests/
+	flake8 --count --show-source --statistics tastytrade/ tests/
 	mypy -p tastytrade
 
+test:
+	python -m pytest --cov=tastytrade --cov-report=term-missing tests/
+
 install:
 	env/bin/pip install -e .
 
diff --git a/docs/conf.py b/docs/conf.py
index 4d0071a..0c72788 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = 'tastytrade'
 copyright = '2023, Graeme Holliday'
 author = 'Graeme Holliday'
-release = '6.1'
+release = '6.2'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/requirements.txt b/requirements.txt
index 3043a7e..06d349f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,5 @@ isort==5.11.5
 types-requests==2.31.0.1
 websockets==11.0.3
 pydantic==1.10.11
+pytest==7.4.0
+pytest_cov==4.1.0
diff --git a/setup.py b/setup.py
index 97a7073..7d23f7e 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name='tastytrade',
-    version='6.1',
+    version='6.2',
     description='An unofficial SDK for Tastytrade!',
     long_description=LONG_DESCRIPTION,
     long_description_content_type='text/x-rst',
diff --git a/tastytrade/__init__.py b/tastytrade/__init__.py
index 40e30cc..0999234 100644
--- a/tastytrade/__init__.py
+++ b/tastytrade/__init__.py
@@ -2,7 +2,7 @@
 
 API_URL = 'https://api.tastyworks.com'
 CERT_URL = 'https://api.cert.tastyworks.com'
-VERSION = '6.1'
+VERSION = '6.2'
 
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.DEBUG)
diff --git a/tastytrade/metrics.py b/tastytrade/metrics.py
index c62d7d1..65c5312 100644
--- a/tastytrade/metrics.py
+++ b/tastytrade/metrics.py
@@ -66,15 +66,16 @@ class MarketMetricInfo(TastytradeJsonDataclass):
     option_expiration_implied_volatilities: List[OptionExpirationImpliedVolatility]  # noqa: E501
     beta: Decimal
     corr_spy_3month: Decimal
-    dividend_rate_per_share: Optional[Decimal] = None
     market_cap: Decimal
+    price_earnings_ratio: Decimal
+    earnings_per_share: Decimal
+    dividend_rate_per_share: Optional[Decimal] = None
     implied_volatility_30_day: Optional[Decimal] = None
     historical_volatility_30_day: Optional[Decimal] = None
     historical_volatility_60_day: Optional[Decimal] = None
     historical_volatility_90_day: Optional[Decimal] = None
     iv_hv_30_day_difference: Optional[Decimal] = None
-    price_earnings_ratio: Decimal
-    earnings_per_share: Decimal
+    beta_updated_at: Optional[datetime] = None
     created_at: Optional[datetime] = None
     dividend_ex_date: Optional[date] = None
     dividend_next_date: Optional[date] = None
@@ -83,7 +84,6 @@ class MarketMetricInfo(TastytradeJsonDataclass):
     liquidity_value: Optional[Decimal] = None
     liquidity_rank: Optional[Decimal] = None
     liquidity_running_state: Optional[Liquidity] = None
-    beta_updated_at: Optional[datetime] = None
     dividend_yield: Optional[Decimal] = None
     listed_market: Optional[str] = None
     lendability: Optional[str] = None
diff --git a/tests/test_session.py b/tests/test_session.py
new file mode 100644
index 0000000..175ae3e
--- /dev/null
+++ b/tests/test_session.py
@@ -0,0 +1,12 @@
+import os
+
+from tastytrade import CertificationSession
+
+
+def test_session():
+    username = os.environ.get('TT_USERNAME', None)
+    assert username is not None
+    password = os.environ.get('TT_PASSWORD', None)
+    assert password is not None
+
+    session = CertificationSession(username, password)  # noqa: F841