Skip tests that needs an active internet connection

--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -53,11 +53,11 @@
 ENDIF ()
 
 IF (USE_HTTPS)
-	ADD_TEST(libgit2_clar "${libgit2_BINARY_DIR}/libgit2_clar" -ionline -xclone::local::git_style_unc_paths -xclone::local::standard_unc_paths_are_written_git_style)
+	ADD_TEST(libgit2_clar "${libgit2_BINARY_DIR}/libgit2_clar" -xonline -xclone::local::git_style_unc_paths -xclone::local::standard_unc_paths_are_written_git_style)
 ELSE ()
 	ADD_TEST(libgit2_clar "${libgit2_BINARY_DIR}/libgit2_clar" -v -xclone::local::git_style_unc_paths -xclone::local::standard_unc_paths_are_written_git_style)
 ENDIF ()
 
 # Add additional test targets that require special setup
-ADD_TEST(libgit2_clar-proxy_credentials "${libgit2_BINARY_DIR}/libgit2_clar" -v -sonline::clone::proxy_credentials_in_url -sonline::clone::proxy_credentials_request)
-ADD_TEST(libgit2_clar-ssh "${libgit2_BINARY_DIR}/libgit2_clar" -v -sonline::push -sonline::clone::ssh_cert -sonline::clone::ssh_with_paths)
+ADD_TEST(libgit2_clar-proxy_credentials "${libgit2_BINARY_DIR}/libgit2_clar" -v -xonline::clone::proxy_credentials_in_url -xonline::clone::proxy_credentials_request)
+ADD_TEST(libgit2_clar-ssh "${libgit2_BINARY_DIR}/libgit2_clar" -v -xonline::push -xonline::clone::ssh_cert -xonline::clone::ssh_with_paths)