Removed the tests that contain std::tuple with non default constructible class on MSVC2015.

It seems that MSVC2015 requires tuple elements' default constructor during 'as' process.
I don't know why.

Author: redboltz

test/boost_fusion.cpp

@@ -140,6 +140,11 @@ BOOST_FUSION_ADAPT_STRUCT(
     f3  // *3
     )
 
+#if !defined(_MSC_VER)
+
+// boost::fusion's adaptor uses std::tuple.
+// MSVC2015's std::tuple requires default constructor during 'as' process.
+// I don't know why...
 TEST(MSGPACK_BOOST, pack_convert_no_def_con)
 {
     std::stringstream ss;
@@ -151,6 +156,7 @@ TEST(MSGPACK_BOOST, pack_convert_no_def_con)
     EXPECT_TRUE(val1 == val2);
 }
 
+#endif // !defined(_MSC_VER)
 
 #endif // !defined(MSGPACK_USE_CPP03
 

test/msgpack_cpp11.cpp

@@ -456,6 +456,10 @@ TEST(MSGPACK_NO_DEF_CON_PAIR, simple_buffer)
     EXPECT_EQ(val1, val2);
 }
 
+#if !defined(_MSC_VER)
+
+// MSVC2015's std::tuple requires default constructor during 'as' process.
+// I don't know why...
 TEST(MSGPACK_NO_DEF_CON_TUPLE, simple_buffer)
 {
     std::tuple<no_def_con, no_def_con, no_def_con_composite> val1 {1, 2, 3};
@@ -480,6 +484,8 @@ TEST(MSGPACK_NO_DEF_CON_MSGPACK_TUPLE, simple_buffer)
     EXPECT_EQ(val1, val2);
 }
 
+#endif // !define(_MSC_VER)
+
 TEST(MSGPACK_NO_DEF_FORWARD_LIST, simple_buffer)
 {
     std::forward_list<no_def_con> val1 { 1, 2, 3 };