Merge bitcoin#17980: test: add missing #include to fix compiler errors

a5a2654 test: add missing #include to fix compiler errors (Karl-Johan Alm)

Pull request description:

  I believe this fixes AppVeyor errors in master. Will close if that is not the case.

  Closes bitcoin#17976

ACKs for top commit:
  fanquake:
    ACK a5a2654 - glad the fix turned out to be this simple.

Tree-SHA512: 8fed8c2050d0f435e7ed6db1c2927d5daccc3540c6cf9e57e644d0931a740359550a5270201c893f40200960101f11cd039d807d4ed0190f1e0c674f86fd7290

src/test/cuckoocache_tests.cpp

@@ -7,6 +7,7 @@
 #include <test/test_dash.h>
 #include <random.h>
 #include <thread>
+#include <deque>
 
 /** Test Suite for CuckooCache
  *