Add British English: 'in three weeks' time (#1283)

* Add British English: 'in three weeks' time

Fix: #393

* Add '

Author: serhii73

dateparser/data/date_translation_data/en.py

@@ -258,6 +258,8 @@
         "in \\1 week": [
             "in (\\d+[.,]?\\d*) week",
             "in (\\d+[.,]?\\d*) weeks",
+            "in (\\d+[.,]?\\d*) weeks time",
+            "in (\\d+[.,]?\\d*) weeks' time",
             "in (\\d+[.,]?\\d*) wk"
         ],
         "in \\1 year": [

dateparser_data/cldr_language_data/date_translation_data/en.json

@@ -227,6 +227,8 @@
         "in \\1 week": [
             "in {0} week",
             "in {0} weeks",
+            "in {0} weeks time",
+            "in {0} weeks' time",
             "in {0} wk"
         ],
         "in \\1 year": [

tests/test_freshness_date_parser.py

@@ -1754,6 +1754,9 @@ def test_normalized_relative_dates(self, date_string, ago, period):
             param("in 1 day", in_future={"days": 1}, period="day"),
             param("in 1d", in_future={"days": 1}, period="day"),
             param("in a week", in_future={"weeks": 1}, period="week"),
+            param("in three weeks", in_future={"weeks": 3}, period="week"),
+            param("in three weeks time", in_future={"weeks": 3}, period="week"),
+            param("in three weeks' time", in_future={"weeks": 3}, period="week"),
             param("in 2 hours", in_future={"hours": 2}, period="day"),
             param("in about 23 hours", in_future={"hours": 23}, period="day"),
             param(