+{Trace 0, Stream class ID 0, Stream ID 0}
+Stream beginning:
+ Name: TestSourceA: ${debug}
+ Trace:
+ Stream (ID 0, Class ID 0)
+
+{Trace 1, Stream class ID 0, Stream ID 0}
+Stream beginning:
+ Name: TestSourceB: ${debug}
+ Trace:
+ Stream (ID 0, Class ID 0)
+
+{Trace 0, Stream class ID 0, Stream ID 0}
+Stream end
+
+{Trace 1, Stream class ID 0, Stream ID 0}
+Stream end