Reformats sources accordingly

main.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 
-int main() {
-  std::cout << "Hello from sandbox\n";
-  return 0;
+int main()
+{
+    std::cout << "Hello from sandbox\n";
+    return 0;
 }

tests/test_main.cpp

@@ -1,3 +1,6 @@
 #include <gtest/gtest.h>
 
-TEST(MainTest, Smoke) { EXPECT_TRUE(true); }
+TEST(MainTest, Smoke)
+{
+    EXPECT_TRUE(true);
+}