fix: fix minor issue of testbench

- fix testbench minor issue.
- delete migrated source code files.

testbench/shared/literals.cpp

@@ -157,7 +157,7 @@ namespace yyccshared::literals {
 
 #pragma region OtherLiterals Data
 
-    std::vector<OtherLiteral> OTHERLIT_OTHERSTR_VEC{{"\xC4\xE3\xBA\xC3\xD6\xD0\xB9\xFA", UINT32_C(936), "GBK", u8"gbk"}};
+    static std::vector<OtherLiteral> OTHERLIT_OTHERSTR_VEC{{"\xC4\xE3\xBA\xC3\xD6\xD0\xB9\xFA", UINT32_C(936), "GBK", u8"gbk"}};
 
 #define OTHER_STR_GBK "\u4f60\u597d\u4e2d\u56fd"
 

testbench/yycc/windows/winfct.cpp

@@ -26,9 +26,10 @@ namespace yycctest::windows::winfct {
     }
 
     TEST(WindowsWinFct, IsValidCodePage) {
+        // Test valid code page
         EXPECT_TRUE(WINFCT::is_valid_code_page(437));
         EXPECT_TRUE(WINFCT::is_valid_code_page(65001));
-
+        // This code page must be invalid
         EXPECT_FALSE(WINFCT::is_valid_code_page(6161));
     }