test fmt library is basically working

tests/src/Misc/CMakeLists.txt

@@ -3,4 +3,5 @@ target_sources(
         PRIVATE
             ${CMAKE_CURRENT_SOURCE_DIR}/test1.cpp
             ${CMAKE_CURRENT_SOURCE_DIR}/test2.cpp
+            ${CMAKE_CURRENT_SOURCE_DIR}/fmt.cpp
 )

tests/src/Misc/fmt.cpp

@@ -0,0 +1,9 @@
+#include "gtest/gtest.h"
+#include "fmt/format.h"
+
+TEST(fmt, fail){
+    EXPECT_NE("abc", fmt::format("{}{}","a","b"));
+}
+TEST(fmt, pass){
+    EXPECT_EQ("ab", fmt::format("{}{}","a","b"));
+}