container: c++: dfi namespace refactor

Align with project alias, save the eyes and hands.

container/src/root/test/common/utility.hh

@@ -1,6 +1,6 @@
 // docker-finance | modern accounting for the power-user
 //
-// Copyright (C) 2021-2024 Aaron Fiore (Founder, Evergreen Crypto LLC)
+// Copyright (C) 2021-2025 Aaron Fiore (Founder, Evergreen Crypto LLC)
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -30,11 +30,11 @@
 
 #include "../../src/utility.hh"
 
-//! \namespace docker_finance
+//! \namespace dfi
 //! \since docker-finance 1.0.0
-namespace docker_finance
+namespace dfi
 {
-//! \namespace docker_finance::tests
+//! \namespace dfi::tests
 //! \brief docker-finance common test framework
 //! \ingroup cpp_tests
 //! \since docker-finance 1.0.0
@@ -46,9 +46,9 @@ struct ToolsFixture
 {
   //! \brief Tools implementation wrapper
   //! \since docker-finance 1.0.0
-  struct ToolsImpl : public ::docker_finance::utility::impl::Tools
+  struct ToolsImpl : public ::dfi::utility::impl::Tools
   {
-    using t_impl = ::docker_finance::utility::impl::Tools;
+    using t_impl = ::dfi::utility::impl::Tools;
 
     template <typename t_gen, typename t_num = double>
     std::vector<t_num>
@@ -68,7 +68,7 @@ struct ToolsFixture
 struct ByteFixture
 {
  protected:
-  using t_byte = ::docker_finance::utility::Byte<uint8_t, std::byte>;
+  using t_byte = ::dfi::utility::Byte<uint8_t, std::byte>;
 
   //! \since docker-finance 1.0.0
   template <typename t_type>
@@ -94,7 +94,7 @@ struct ByteFixture
   t_byte byte;
 };
 }  // namespace tests
-}  // namespace docker_finance
+}  // namespace dfi
 
 #endif  // CONTAINER_SRC_ROOT_TEST_COMMON_UTILITY_HH_