[Entanglement] Restore missing specs

Restore specs which had been omitted from suite.json (but currently
succeed for the relevant scripts); done in the context of
nasa/openmctweb#147

platform/entanglement/test/suite.json

@@ -1,6 +1,9 @@
 [
     "actions/AbstractComposeAction",
+    "actions/CopyAction",
     "actions/GoToOriginalAction",
+    "actions/LinkAction",
+    "actions/MoveAction",
     "services/CopyService",
     "services/LinkService",
     "services/MoveService",