diff --git a/internal/database/collection_test.go b/internal/database/collection_test.go
new file mode 100644
index 0000000..88b6d40
--- /dev/null
+++ b/internal/database/collection_test.go
@@ -0,0 +1,12 @@
+package database
+
+import "testing"
+
+func TestCollections(t *testing.T) {
+	collections := []Collection{Users, Notes, Feedbacks, Updates}
+	for _, collection := range collections {
+		if collection.String() != string(collection) {
+			t.Fatalf("Expected %v, got %v", collection, collection.String())
+		}
+	}
+}
diff --git a/internal/database/role_test.go b/internal/database/role_test.go
new file mode 100644
index 0000000..0c33d43
--- /dev/null
+++ b/internal/database/role_test.go
@@ -0,0 +1,13 @@
+package database
+
+import (
+	"testing"
+)
+
+func TestIsAdmin(t *testing.T) {
+	role := Admin
+	result := IsAdmin(&role)
+	if result != true {
+		t.Fatalf("Expected true, got %v", result)
+	}
+}