refactor(test): update exchange rate based on 'frankfurter' provider

(cherry picked from commit a3fd4db)

erpnext/setup/doctype/currency_exchange/test_currency_exchange.py

@@ -75,7 +75,7 @@ def test_exchange_rate(self):
 		self.clear_cache()
 		exchange_rate = get_exchange_rate("USD", "INR", "2015-12-15", "for_selling")
 		self.assertFalse(exchange_rate == 60)
-		self.assertEqual(flt(exchange_rate, 3), 66.999)
+		self.assertEqual(flt(exchange_rate, 3), 66.894)
 
 	def test_exchange_rate_strict(self):
 		# strict currency settings
@@ -87,15 +87,15 @@ def test_exchange_rate_strict(self):
 
 		self.clear_cache()
 		exchange_rate = get_exchange_rate("USD", "INR", "2016-01-15", "for_buying")
-		self.assertEqual(flt(exchange_rate, 3), 67.235)
+		self.assertEqual(flt(exchange_rate, 3), 67.79)
 
 		exchange_rate = get_exchange_rate("USD", "INR", "2016-01-30", "for_selling")
 		self.assertEqual(exchange_rate, 62.9)
 
 		# Exchange rate as on 15th Dec, 2015
 		self.clear_cache()
 		exchange_rate = get_exchange_rate("USD", "INR", "2015-12-15", "for_buying")
-		self.assertEqual(flt(exchange_rate, 3), 66.999)
+		self.assertEqual(flt(exchange_rate, 3), 66.894)
 
 	def test_exchange_rate_strict_switched(self):
 		# Start with allow_stale is True
@@ -108,4 +108,4 @@ def test_exchange_rate_strict_switched(self):
 		# Will fetch from fixer.io
 		self.clear_cache()
 		exchange_rate = get_exchange_rate("USD", "INR", "2016-01-15", "for_buying")
-		self.assertEqual(flt(exchange_rate, 3), 67.235)
+		self.assertEqual(flt(exchange_rate, 3), 67.79)