--------------------Configuration: AllTests - Win32 Debug--------------------
Linking...
AllTests.obj : error LNK2001: unresolved external symbol "int externTestGroupMockDocumentation" (?externTestGroupMockDocumentation@@3HA)
AllTests.obj : error LNK2001: unresolved external symbol "int externTestGroupEventDispatcher" (?externTestGroupEventDispatcher@@3HA)
Debug/AllTests.exe : fatal error LNK1120: 2 unresolved externals
Error executing link.exe.
AllTests.exe - 3 error(s), 0 warning(s)
为什么我会收到这些错误,我该如何解决?