revert: restore signatures in test files

tests/filedescriptor.cpp

@@ -6,7 +6,7 @@
 
 using namespace Hyprutils::OS;
 
-int main() {
+int main(int argc, char** argv, char** envp) {
     std::string     name = "/test_filedescriptors";
     CFileDescriptor fd(shm_open(name.c_str(), O_RDWR | O_CREAT | O_EXCL, 0600));
 

tests/math.cpp

@@ -4,7 +4,7 @@
 
 using namespace Hyprutils::Math;
 
-int main() {
+int main(int argc, char** argv, char** envp) {
     CRegion rg = {0, 0, 100, 100};
     rg.add(CBox{{}, {20, 200}});
 

tests/memory.cpp

@@ -7,7 +7,7 @@ using namespace Hyprutils::Memory;
 #define SP CSharedPointer
 #define WP CWeakPointer
 
-int main() {
+int main(int argc, char** argv, char** envp) {
     SP<int> intPtr  = makeShared<int>(10);
     SP<int> intPtr2 = makeShared<int>(1337);
 

tests/os.cpp

@@ -7,7 +7,7 @@
 
 using namespace Hyprutils::OS;
 
-int main() {
+int main(int argc, char** argv, char** envp) {
     int      ret = 0;
 
     CProcess process("sh", {"-c", "echo \"Hello $WORLD!\""});

tests/signal.cpp

@@ -5,7 +5,7 @@
 using namespace Hyprutils::Signal;
 using namespace Hyprutils::Memory;
 
-int main() {
+int main(int argc, char** argv, char** envp) {
     int     ret = 0;
 
     CSignal signal;

tests/string.cpp

@@ -4,7 +4,7 @@
 
 using namespace Hyprutils::String;
 
-int main() {
+int main(int argc, char** argv, char** envp) {
     int ret = 0;
 
     EXPECT(trim("               a             "), "a");