Finished the edit course test.

tests/test_courses.py

@@ -1,5 +1,4 @@
 import pytest
-import psycopg2
 
 from portal.db import get_db
 
@@ -14,3 +13,15 @@ def test_create_course(app, client):
         check = cur.execute("SELECT * FROM courses WHERE name = 'test';").fetchone()
 
         assert check
+
+def test_edit_course(app, client):
+    with app.app_context():
+        db = get_db()
+
+        cur = db.cursor()
+        # post it again
+        response = client.post('/editcourse', data={'credits': 14})
+        # check if it's been updated
+        check = cur.execute("SELECT * FROM courses WHERE credits = 14")
+
+        assert check