Keep tests in json format

So the results are typed
2020-08-24 18:37:55 +02:00
parent d592cc3050
commit 4d280e02b0
55 changed files with 55 additions and 329 deletions
--- a/tests_dir/dates.result
+++ b/tests_dir/dates.result
@@ -1,6 +1 @@
-"date"
-"2008-12-12"
-"2007-08-12"
-"1985-05-09"
-"1988-4-21"
-"1992-7-27"
+{"content": [[{"day": 12, "year": 2008, "month": 12}], [{"day": 9, "year": 1985, "month": 5}], [{"day": 21, "year": 1988, "month": 4}], [{"day": 27, "year": 1992, "month": 7}], [{"day": 12, "year": 2007, "month": 8}]], "header": ["date"]}