Added test for jq

tests/unit/transforms/test_json.py

@@ -0,0 +1,8 @@
+from kibitzr.transformer import transform_factory
+
+
+def test_jq_sample():
+    pipeline = transform_factory({'transform': [{'jq': '.a'}]})
+    ok, content = pipeline(True, '{"a": 1, "b": 2}')
+    assert ok is True
+    assert content == "1"