adding GoogleAnalyticsReaderTest

src/GoogleAnalyticsReaderTest.py

@@ -0,0 +1,15 @@
+import unittest
+from datetime import date
+from GoogleAnalyticsReader import GoogleAnalyticsReader
+
+class GoogleAnalyticsReaderTest(unittest.TestCase):
+
+    def test_getDateRange(self):
+        # Given
+        googleAnalyticsReader = GoogleAnalyticsReader(dataDir = 'src/testdata/GoogleAnalytics')
+            
+        # When
+        dateRange = googleAnalyticsReader.getDateRange()
+        
+        # Then
+        self.assertEqual(dateRange, (date(2023, 3, 2), date(2023, 5, 31)))