added texas testing

tests/test_texas.py

@@ -0,0 +1,22 @@
+import unittest
+import requests
+
+from lottery_data_scraper import texas
+from lottery_data_scraper import schemas
+
+class TestTexas(unittest.TestCase):
+    def test_parse_game_html(self):
+        # URL chosen arbitrarily
+        url = "http://www.txlottery.org/export/sites/lottery/Games/Scratch_Offs/details.html_252701533.html"
+        html = texas.fetch_html(url)
+        game = texas._parse_game(url, html)
+        self.assertEqual(game['name'], "$1,000,000 Cash Blowout")
+        self.assertEqual(game["price"], 20.0)
+        self.assertEqual(
+            game["url"],
+           'http://www.txlottery.org/export/sites/lottery/Games/Scratch_Offs/details.html_252701533.html' ,
+        )
+        self.assertEqual(game["game_id"], "2442")
+        self.assertEqual(game["prizes"][0]["prize"], "$1,000,000")
+        self.assertEqual(game["prizes"][0]["value"], 1000000.0)
+