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/skill_of_best_person.result
+++ b/tests_dir/skill_of_best_person.result
@@ -1,4 +1 @@
-name,age,skill
-eve,25,Perl
-eve,25,C
-eve,25,C++
+{"content": [["eve", 25, "C++"], ["eve", 25, "C"], ["eve", 25, "Perl"]], "header": ["name", "age", "skill"]}