feat(tests): rework tests in numerous ways (#3059)

tests/tests_common.h

@@ -0,0 +1,30 @@
+/**
+ * @file tests/tests_common.h
+ * @brief Common declarations.
+ */
+#pragma once
+#include <gtest/gtest.h>
+
+#include <src/globals.h>
+#include <src/logging.h>
+#include <src/platform/common.h>
+
+struct PlatformTestSuite: testing::Test {
+  static void
+  SetUpTestSuite() {
+    ASSERT_FALSE(platf_deinit);
+    BOOST_LOG(tests) << "Setting up platform test suite";
+    platf_deinit = platf::init();
+    ASSERT_TRUE(platf_deinit);
+  }
+
+  static void
+  TearDownTestSuite() {
+    ASSERT_TRUE(platf_deinit);
+    platf_deinit = {};
+    BOOST_LOG(tests) << "Tore down platform test suite";
+  }
+
+private:
+  inline static std::unique_ptr<platf::deinit_t> platf_deinit;
+};