Fix ssltest to run on appveyor

appveyor.yml

@@ -43,5 +43,4 @@ build_script:
   - cmake --build . --config %CONFIG%
 
 test_script:
-  # TODO: Determine how to run ssltest on AppVeyor
-  - ctest -C %CONFIG% --timeout 150 --output-on-failure -E ssltest
+  - ctest -C %CONFIG% --timeout 150 --output-on-failure

tests/testssl.bat

@@ -11,7 +11,10 @@ set extra=%6
 
 %openssl% version & if !errorlevel! neq 0 exit /b 1
 
-for /f "usebackq" %%s in (`%openssl% x509 -in %cert% -text -noout ^| find /c "DSA Public Key"`) do set lines=%%s
+set lines=0
+for /f "usebackq" %%s in (`%openssl% x509 -in %cert% -text -noout ^| find "DSA Public Key"`) do (
+  set /a lines=%lines%+1
+)
 if %lines% gtr 0 (
   set dsa_cert=YES
 ) else (