[tests] add test for new OperationModelStore check

* Add new test file `OperationModelStoreTests`
* Add test called "does not load invalid cached operations" that uncaches valid and invalid operations based on the new checks in the OperationModelStore uncaching logic.

OneSignalSDK/onesignal/core/src/test/java/com/onesignal/core/internal/operations/OperationModelStoreTests.kt

@@ -0,0 +1,56 @@
+package com.onesignal.core.internal.operations
+
+import com.onesignal.core.internal.operations.impl.OperationModelStore
+import com.onesignal.core.internal.preferences.PreferenceOneSignalKeys
+import com.onesignal.core.internal.preferences.PreferenceStores
+import com.onesignal.debug.LogLevel
+import com.onesignal.debug.internal.logging.Logging
+import com.onesignal.mocks.MockPreferencesService
+import com.onesignal.user.internal.operations.LoginUserOperation
+import com.onesignal.user.internal.operations.SetPropertyOperation
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.shouldBe
+import io.kotest.matchers.shouldNotBe
+import org.json.JSONArray
+import java.util.UUID
+
+class OperationModelStoreTests : FunSpec({
+
+    beforeAny {
+        Logging.logLevel = LogLevel.NONE
+    }
+
+    test("does not load invalid cached operations") {
+        // Given
+        val prefs = MockPreferencesService()
+        val operationModelStore = OperationModelStore(prefs)
+        val jsonArray = JSONArray()
+
+        // Create a valid Operation with onesignalId
+        val validOperation = SetPropertyOperation(UUID.randomUUID().toString(), UUID.randomUUID().toString(), "property", "value")
+        validOperation.id = UUID.randomUUID().toString()
+
+        // Create a valid operation missing onesignalId
+        val validOperationMissing = LoginUserOperation()
+        validOperationMissing.id = UUID.randomUUID().toString()
+
+        // Create an invalid Operation missing onesignalId
+        val invalidOperation = SetPropertyOperation()
+        invalidOperation.id = UUID.randomUUID().toString()
+
+        // Add the Operations to the cache
+        jsonArray.put(validOperation.toJSON())
+        jsonArray.put(validOperationMissing.toJSON())
+        jsonArray.put(invalidOperation.toJSON())
+        prefs.saveString(PreferenceStores.ONESIGNAL, PreferenceOneSignalKeys.MODEL_STORE_PREFIX + "operations", jsonArray.toString())
+
+        // When
+        operationModelStore.loadOperations()
+
+        // Then
+        operationModelStore.list().count() shouldBe 2
+        operationModelStore.get(validOperation.id) shouldNotBe null
+        operationModelStore.get(validOperationMissing.id) shouldNotBe null
+        operationModelStore.get(invalidOperation.id) shouldBe null
+    }
+})