The mock class is used to bypass the blocking error of the
FinalGradeDeterminator when no Database is present for testing purposes

@@ -0,0 +14,4 @@
+
+namespace assignments::one {
+
+class FakeDatabaseManager : public DatabaseManager {

@@ -0,0 +32,4 @@
+        // No-op for fake
+    }
+
+    struct StoredResult {

@@ -0,0 +103,4 @@
+            std::this_thread::sleep_for(10ms);
+        }
+    }
+    std::unique_ptr<assignments::one::FakeDatabaseManager> fake_db_;

@@ -0,0 +8,4 @@
+using assignments::one::grade_calculator::GradeCalculator;
+
+class GradeCalculatorTest : public ::testing::Test
+{