tests: restore deterministic retry-limit validation

Close the prior functional test before deleting and reopening its SQLite database, so retry limits are tested against the intended persisted event.

Use the optional-exception abstraction in OfflineStorage_SQLite batch writes so no-exception mini builds remain supported.

Files changed: lib/offline/OfflineStorage_SQLite.cpp, tests/functests/BasicFuncTests.cpp

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: c4cfcad8-1637-4e46-86cf-6bf200244b04

Author: bmehta001

lib/offline/OfflineStorage_SQLite.cpp

@@ -364,7 +364,7 @@ namespace MAT_NS_BEGIN {
                 return 0;
             }
 #endif
-            try
+            MATSDK_TRY
             {
                 for (auto const& r : records) {
                     if (insertRecordUnsafe(r)) {
@@ -376,7 +376,8 @@ namespace MAT_NS_BEGIN {
                     }
                 }
             }
-            catch (...)
+#if HAVE_EXCEPTIONS
+            MATSDK_CATCH(...)
             {
 #ifdef ENABLE_LOCKING
                 // DbTransaction commits on destruction by default for legacy
@@ -387,8 +388,9 @@ namespace MAT_NS_BEGIN {
                 // insertRecordUnsafe updates the estimate before the
                 // transaction commits; undo inserts that will be rolled back.
                 m_DbSizeEstimate -= std::min(m_DbSizeEstimate.load(), addedSize);
-                throw;
+                MATSDK_THROW;
             }
+#endif
 
 #ifdef ENABLE_LOCKING
             if (allInserted) {

tests/functests/BasicFuncTests.cpp

@@ -1633,6 +1633,7 @@ TEST_F(BasicFuncTests, deleteEvents)
     for (const auto &e: events2) {
         verifyEvent(e, find(e.GetName()));
     }
+    FlushAndTeardown();
 }
 #endif