scripted-diff: Sort test includes

-BEGIN VERIFY SCRIPT-
 # Mark all lines with #includes
 sed -i --regexp-extended -e 's/(#include <.*>)/\1 /g' $(git grep -l '#include' ./src/bench/ ./src/test ./src/wallet/test/)
 # Sort all marked lines
 git diff -U0 | ./contrib/devtools/clang-format-diff.py -p1 -i -v
-END VERIFY SCRIPT-

src/test/uint256_tests.cpp

@@ -4,13 +4,13 @@
 
 #include <arith_uint256.h>
 #include <streams.h>
+#include <test/util/setup_common.h>
 #include <uint256.h>
 #include <version.h>
-#include <test/util/setup_common.h>
 
 #include <boost/test/unit_test.hpp>
-#include <sstream>
 #include <iomanip>
+#include <sstream>
 #include <string>
 
 BOOST_FIXTURE_TEST_SUITE(uint256_tests, BasicTestingSetup)