Moved the test folder.

tests/transform.py

@@ -0,0 +1,22 @@
+from zipline.messaging import BaseTransform
+from zipline.protocol import COMPONENT_TYPE
+
+class DivideByZeroTransform(BaseTransform):
+    """
+    A transform that fails.
+    """
+
+    def __init__(self, name):
+        BaseTransform.__init__(self, "PASSTHROUGH")
+        self.state['name'] = name
+        self.init()
+
+    def init(self):
+        pass
+
+    @property
+    def get_type(self):
+        return COMPONENT_TYPE.CONDUIT
+
+    def transform(self, event):
+        return { 'value': 0/0 }