test: TestGraph track internals#2404
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RobBuchananCompPhys merged 5 commits intodevelop2from Apr 13, 2026
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One final comment, and then good to go. This tidies things up really nicely IMO.
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The idea here is to allow
TestGraphto keep track of the last node added to the graph (mostly useful when the nodes are being added in a broadly linear sequence), stored internally inhead_allowing the developer to get either aNode *via afetchHead()call, or a pointer to the desired node type viahead<NodeType>. The latter is useful for compile time checking that the node is of the expected type.