tests: udate JSON tests

Signed-off-by: Alexis Laferrière <[email protected]>

tests/sav/test_json_deserialization_plain.res

@@ -11,7 +11,6 @@
 # Nit: <MyClass i:123 s:hello f:123.456 a:[one, two] o:<null>>
 
 # JSON: {"__class": "MyClass", "i": 123, "s": "hello", "f": 123.456, "a": ["one", "two"]}
-# Errors: 'Deserialization Error: JSON object has not attribute 'o'.'
 # Nit: <MyClass i:123 s:hello f:123.456 a:[one, two] o:<null>>
 
 # JSON: {"__class": "MyClass", "i": 123, "s": "hello", "f": 123.456, "a": ["one", "two"], "o":

tests/sav/test_json_deserialization_plain_alt2.res

@@ -1,3 +1,3 @@
 Runtime error: Uninitialized attribute _s (alt/test_json_deserialization_plain_alt2.nit:22)
 # JSON: {"__class": "MyClass", "i": 123, "o": null}
-# Errors: 'Deserialization Error: JSON object has not attribute 's'.', 'Deserialization Error: Wrong type on `MyClass::s` expected `String`, got `null`', 'Deserialization Error: JSON object has not attribute 'f'.', 'Deserialization Error: Wrong type on `MyClass::f` expected `Float`, got `null`', 'Deserialization Error: JSON object has not attribute 'a'.', 'Deserialization Error: Wrong type on `MyClass::a` expected `Array[String]`, got `null`'
+# Errors: 'Deserialization Error: attribute `MyClass::s` missing from JSON object', 'Deserialization Error: attribute `MyClass::f` missing from JSON object', 'Deserialization Error: attribute `MyClass::a` missing from JSON object'

tests/test_json_deserialization_plain.nit

@@ -49,7 +49,7 @@ tests.add """
 tests.add """
 {"__class": "MyClass", "i": 123, "s": "hello", "f": 123.456, "o": null, "a": ["one", "two"], "Some random attribute": 777}"""
 
-# Skipping `o` will cause an error but the attribute will be set to `null`
+# Skipping `o` will set the attribute to `null`
 tests.add """
 {"__class": "MyClass", "i": 123, "s": "hello", "f": 123.456, "a": ["one", "two"]}"""