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/older_than_boss.result
+++ b/tests_dir/older_than_boss.result
@@ -1,7 +1 @@
-name,age,chief_name,chief_age
-dean,33,carl,20
-alia,28,carl,20
-paul,30,eve,25
-eve,25,jack,22
-john,30,carl,20
-duncan,30,eve,25
+{"content": [["dean", 33, "carl", 20], ["duncan", 30, "eve", 25], ["john", 30, "carl", 20], ["alia", 28, "carl", 20], ["eve", 25, "jack", 22], ["paul", 30, "eve", 25]], "header": ["name", "age", "chief_name", "chief_age"]}