Make C++ test names more consistent (#3586)

Inconsistent names were found using the following regular expressions.

* `rg "TEST(_F|_P)?\(\w+,\s+\w+Test\)"`
* `rg "TEST(_F|_P)?\(\w+,\s+Test\w+\)"`
* `rg "TEST(_F|_P)?\(\w+Tests,\s+\w+\)"`

Fixes #3495.

hal/src/test/native/cpp/handles/HandleTest.cpp

@@ -0,0 +1,25 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// 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 "hal/HAL.h"
+#include "hal/handles/IndexedClassedHandleResource.h"
+
+#define HAL_TestHandle HAL_Handle
+
+namespace {
+class MyTestClass {};
+}  // namespace
+
+namespace hal {
+TEST(HandleTest, ClassedHandle) {
+  hal::IndexedClassedHandleResource<HAL_TestHandle, MyTestClass, 8,
+                                    HAL_HandleEnum::Vendor>
+      testClass;
+  int32_t status = 0;
+  testClass.Allocate(0, std::make_unique<MyTestClass>(), &status);
+  EXPECT_EQ(0, status);
+}
+
+}  // namespace hal