[cscore] Translate unit tests to catch2 (#8999)

cscore/src/test/native/cpp/CameraSourceTest.cpp

@@ -2,19 +2,14 @@
 // Open Source Software; you can modify and/or share it under the terms of
 // the WPILib BSD license file in the root directory of this project.
 
-#include <gtest/gtest.h>
+#include <catch2/catch_test_macros.hpp>
 
 #include "wpi/cs/HttpCamera.hpp"
 #include "wpi/cs/cscore_cpp.hpp"
 
 namespace wpi::cs {
 
-class CameraSourceTest : public ::testing::Test {
- protected:
-  CameraSourceTest() = default;
-};
-
-TEST_F(CameraSourceTest, HTTPCamera) {
+TEST_CASE("CameraSourceTest HTTPCamera", "[cscore][camera-source]") {
   auto source = HttpCamera("camera", "http://localhost:8000");
   wpi::cs::Shutdown();
 }