json: move _test.v files to vlib/json/tests/ (#22731)

vlib/json/json_generic_array_test.v

@@ -1,46 +0,0 @@
-import json
-
-pub struct DocumentFindFilter[T] {
-pub:
-	selector        ?T
-	selector2       ?[]T
-	selector3       ?[1]T
-	limit           ?int
-	skip            ?int
-	fields          ?[]string // This breaks the compiler when encoding to JSON
-	conflicts       ?bool
-	read_quorum     ?int @[json: r]
-	update          ?bool
-	stable          ?bool
-	stale           ?string
-	execution_stats ?bool
-}
-
-fn test_string() {
-	t := DocumentFindFilter[string]{
-		selector:  'aa'
-		selector2: ['a', 'b']
-		selector3: ['z']!
-	}
-
-	assert json.encode(t) == '{"selector":"aa","selector2":["a","b"],"selector3":["z"]}'
-	assert json.decode(DocumentFindFilter[string], '{"selector":"aa","selector2":["a","b"],"selector3":["z"]}')! == t
-}
-
-fn test_int() ! {
-	t := DocumentFindFilter[int]{
-		selector:  1
-		selector2: [1, 2]
-		selector3: [3]!
-	}
-
-	assert json.encode(t) == '{"selector":1,"selector2":[1,2],"selector3":[3]}'
-	assert json.decode(DocumentFindFilter[int], '{"selector":1,"selector2":[1,2],"selector3":[3]}')! == t
-}
-
-fn test_none() ! {
-	t := DocumentFindFilter[int]{}
-
-	assert json.encode(t) == '{}'
-	assert json.decode(DocumentFindFilter[int], '{}')! == t
-}