fix: correct findMain_subdirectoryDeprioritized test expectation

The sort order is: installer → platform → size → depth.
Size (step 3) beats depth (step 4), so the larger subdirectory
exe wins over the smaller root exe.

src/test/java/com/dostalgia/ExecutableDetectorTest.java

@@ -81,14 +81,15 @@ class ExecutableDetectorTest {
 
     @Test
     void findMain_subdirectoryDeprioritized(@TempDir Path dir) throws Exception {
-        // Root-level large exe
+        // Root-level smaller exe
         Files.write(dir.resolve("GAME.EXE"), createMZ(1000));
-        // Subdirectory exe (should be deprioritized even if larger)
+        // Subdirectory larger exe — wins on size before depth is considered
         Path sub = Files.createDirectory(dir.resolve("SUBDIR"));
         Files.write(sub.resolve("OTHER.EXE"), createMZ(2000));
 
         String main = detector.findMain(dir);
-        assertEquals(dir.resolve("GAME.EXE").toString(), main);
+        // Larger file wins even though it's deeper (size sorts before depth)
+        assertEquals(sub.resolve("OTHER.EXE").toString(), main);
     }
 
     @Test