[roottest] disable some root/tree/reader tests on windows

Getting linker failure when trying to compile hardTreeReaderTest.cpp macro.

```
hardTreeReaderTest_cpp_ACLiC_dict.obj : error LNK2019: unresolved external symbol "public: static class TClass * __cdecl B::Class(void)" (?Class@B@@SAPEAVTClass@@xz) referenced in function "public: class TBranch * __cdecl TTree::Branch<class B>(char const *,class B * *,int,int)" (??$Branch@VB@@@ttree@@QEAAPEAVTBranch@@PEBDPEAPEAVB@@hh@Z) [C:\ROOT-CI\build\roottest\root\tree\reader\roottest-root-tree-reader-hardTreeReaderTest-compile-macro.vcxproj]
  hardTreeReaderTest_cpp_ACLiC_dict.obj : error LNK2001: unresolved external symbol "public: virtual void __cdecl B::Streamer(class TBuffer &)" (?Streamer@B@@UEAAXAEAVTBuffer@@@z) [C:\ROOT-CI\build\roottest\root\tree\reader\roottest-root-tree-reader-hardTreeReaderTest-compile-macro.vcxproj]
  hardTreeReaderTest_cpp_ACLiC_dict.obj : error LNK2019: unresolved external symbol "public: static class TClass * __cdecl A::Class(void)" (?Class@A@@SAPEAVTClass@@xz) referenced in function "public: virtual class TClass * __cdecl A::IsA(void)const " (?IsA@A@@UEBAPEAVTClass@@xz) [C:\ROOT-CI\build\roottest\root\tree\reader\roottest-root-tree-reader-hardTreeReaderTest-compile-macro.vcxproj]
  hardTreeReaderTest_cpp_ACLiC_dict.obj : error LNK2001: unresolved external symbol "public: virtual void __cdecl A::Streamer(class TBuffer &)" (?Streamer@A@@UEAAXAEAVTBuffer@@@z) [C:\ROOT-CI\build\roottest\root\tree\reader\roottest-root-tree-reader-hardTreeReaderTest-compile-macro.vcxproj]
  C:\ROOT-CI\build\roottest\root\tree\reader\hardTreeReaderTest_cpp.dll : fatal error LNK1120: 4 unresolved externals [C:\ROOT-CI\build\roottest\root\tree\reader\roottest-root-tree-reader-hardTreeReaderTest-compile-macro.vcxproj]
  ```

Author: linev

roottest/root/tree/reader/CMakeLists.txt

@@ -37,17 +37,19 @@ ROOTTEST_ADD_TEST(VectorBranches
                   MACRO execVectorBranches.C
                   OUTREF execVectorBranches.ref)
 
-ROOTTEST_COMPILE_MACRO(A.h
-                       FIXTURES_SETUP root-tree-reader-A-fixture)
-
-ROOTTEST_COMPILE_MACRO(hardTreeReaderTest.cpp
-                       FIXTURES_REQUIRED root-tree-reader-A-fixture
-                       FIXTURES_SETUP root-tree-reader-hardTreeReaderTest-fixture)
-
-ROOTTEST_ADD_TEST(complexTree
-                  MACRO runcomplexTree.C
-                  OUTREF complexTree.ref
-                  FIXTURES_REQUIRED root-tree-reader-A-fixture root-tree-reader-hardTreeReaderTest-fixture)
+if(NOT MSVC OR win_broken_tests)
+  ROOTTEST_COMPILE_MACRO(A.h
+                         FIXTURES_SETUP root-tree-reader-A-fixture)
+
+  ROOTTEST_COMPILE_MACRO(hardTreeReaderTest.cpp
+                         FIXTURES_REQUIRED root-tree-reader-A-fixture
+                         FIXTURES_SETUP root-tree-reader-hardTreeReaderTest-fixture)
+
+  ROOTTEST_ADD_TEST(complexTree
+                    MACRO runcomplexTree.C
+                    OUTREF complexTree.ref
+                    FIXTURES_REQUIRED root-tree-reader-A-fixture root-tree-reader-hardTreeReaderTest-fixture)
+endif()
 
 # IntroTut tests fails while file eventdata.root is missing on eos
 # ROOTTEST_ADD_TEST(assertIntroTut