diff --git a/build/tools/appveyor.bat b/build/tools/appveyor.bat
index d703d23e0f..373ef3ead9 100644
--- a/build/tools/appveyor.bat
+++ b/build/tools/appveyor.bat
@@ -3,12 +3,17 @@ goto %TOOLSET%
 :msbuild
 cd build\msw
 msbuild /m:2 /v:n /p:Platform=%ARCH% /p:Configuration="%CONFIGURATION%" wx_vc12.sln
+cd ..\..\tests
+msbuild /m:2 /v:n /p:Platform=%ARCH% /p:Configuration="%CONFIGURATION%" test_vc12.sln
+msbuild /m:2 /v:n /p:Platform=%ARCH% /p:Configuration="%CONFIGURATION%" test_gui_vc12.sln
 goto :eof
 
 :nmake
 cd build\msw
 call "C:\Program Files (x86)\Microsoft Visual Studio %VS%\VC\vcvarsall.bat" %ARCH%
 nmake -f makefile.vc BUILD=%BUILD%
+cd ..\..\tests
+nmake -f makefile.vc BUILD=%BUILD%
 goto :eof
 
 :mingw
@@ -24,6 +29,8 @@ echo --- Starting the build
 echo.
 mingw32-make -f makefile.gcc setup_h BUILD=debug SHARED=0
 mingw32-make -j3 -f makefile.gcc BUILD=debug SHARED=0
+cd ..\..\tests
+mingw32-make -j3 -f makefile.gcc BUILD=debug SHARED=0
 goto :eof
 
 :msys2
@@ -32,7 +39,7 @@ set CHERE_INVOKING=yes
 :: Workaround for "configure: Bad file descriptor"
 perl -i".bak" -pe "s/^test -n \".DJDIR\"/#$&/" configure
 bash -lc "g++ --version"
-bash -lc "CXXFLAGS=-Wno-deprecated-declarations ./configure --disable-optimise && make -j3"
+bash -lc "CXXFLAGS=-Wno-deprecated-declarations ./configure --disable-optimise && make -j3 && make -j3 -C tests"
 goto :eof
 
 :cygwin
@@ -42,5 +49,5 @@ set CHERE_INVOKING=yes
 :: Workaround for "configure: Bad file descriptor"
 perl -i".bak" -pe "s/^test -n \".DJDIR\"/#$&/" configure
 bash -lc "g++ --version"
-bash -lc "LDFLAGS=-L/usr/lib/w32api ./configure --disable-optimise --disable-shared && make -j3"
+bash -lc "LDFLAGS=-L/usr/lib/w32api ./configure --disable-optimise --disable-shared && make -j3 && make -j3 -C tests"
 goto :eof