108536490: Update encryption for password

tests/app/main/test_encyption.py

@@ -1,9 +1,17 @@
-from app.main import encryption
+from app.main.encryption import hashpw, checkpw
 
 
-def test_encryption(notifications_admin):
+def test_should_hash_password():
+    password = 'passwordToHash'
+    assert password != hashpw(password)
+
+
+def test_should_check_password():
     value = 's3curePassword!'
+    encrypted = hashpw(value)
+    assert checkpw(value, encrypted) is True
 
-    encrypted = encryption.encrypt(value)
 
-    assert encrypted == encryption.encrypt(value)
+def test_checkpw_should_fail_when_pw_does_not_match():
+    value = hashpw('somePassword')
+    assert checkpw('somethingDifferent', value) is False