tests: fix destruction order

cpp/tests/tests.cpp

@@ -413,6 +413,9 @@ struct TempShardDB {
     }
 
     ~TempShardDB() {
+        db.reset();
+        blockServicesCacheDB.reset();
+        sharedDB.reset();
         std::error_code err;
         if (std::filesystem::remove_all(std::filesystem::path(dbDir), err) < 0) {
             std::cerr << "Could not remove " << dbDir << ": " << err << std::endl;

cpp/tests/utils/TempBlockServicesCacheDB.hpp

@@ -27,6 +27,7 @@ struct TempBlockServicesCacheDB {
     }
 
     ~TempBlockServicesCacheDB() {
+        sharedDB.reset();
         std::error_code err;
         std::filesystem::remove_all(std::filesystem::path(dbDir), err);
     }

cpp/tests/utils/TempLogsDB.hpp

@@ -52,6 +52,9 @@ struct TempLogsDB {
     }
 
     ~TempLogsDB() {
+        db.reset();
+        sharedDB.reset();
+
         std::error_code err;
         if (std::filesystem::remove_all(std::filesystem::path(dbDir), err) < 0) {
             std::cerr << "Could not remove " << dbDir << ": " << err << std::endl;

cpp/tests/utils/TempRegistryDB.hpp

@@ -50,6 +50,8 @@ struct TempRegistryDB {
     }
 
     ~TempRegistryDB() {
+        db.reset();
+        sharedDB.reset();
         std::error_code err;
         if (std::filesystem::remove_all(std::filesystem::path(dbDir), err) < 0) {
             std::cerr << "Could not remove " << dbDir << ": " << err << std::endl;