[test][algorithm_loading] Add v3 loading test

Will test both loop algorithm and algorithm using loop

beat/core/test/test_algorithm_loading.py

@@ -79,6 +79,15 @@ def test_analyzer_v2():
     assert algorithm.valid, '\n  * %s' % '\n  * '.join(algorithm.errors)
 
 
+def test_v3():
+
+    algorithm = Algorithm(prefix, 'autonomous/loop/1')
+    assert algorithm.valid, '\n  * %s' % '\n  * '.join(algorithm.errors)
+
+
+    algorithm = Algorithm(prefix, 'autonomous/loop_user/1')
+    assert algorithm.valid, '\n  * %s' % '\n  * '.join(algorithm.errors)
+
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