test: improve alert volume test

EasydictSwiftTests/Test.swift

@@ -55,22 +55,28 @@ import Translation
     #expect(decryptedText == text)
 }
 
-@Test func alertVolume() async throws {
-    let volume = try await AppleScriptTask.alertVolume()
-    print(volume)
-}
+@Test func testAlertVolume() async throws {
+    let originalVolume = try await AppleScriptTask.alertVolume()
+    print("Original volume: \(originalVolume)")
+
+    let testVolume = 50
+    try await AppleScriptTask.setAlertVolume(testVolume)
+
+    let newVolume = try await AppleScriptTask.alertVolume()
+    #expect(newVolume == testVolume)
 
-@Test func setAlertVolume() async throws {
-    try await AppleScriptTask.setAlertVolume(50)
+    try await AppleScriptTask.setAlertVolume(originalVolume)
+    #expect(true, "Alert volume test completed")
 }
 
-@Test func testGetSelectedText() async {
+@Test func testGetSelectedText() async throws {
     // Run thousands of times to test crash.
     for i in 0..<2000 {
         print("test index: \(i)")
         let selectedText = await (try? getSelectedText()) ?? ""
         print("\(i) selectedText: \(selectedText)")
     }
+    #expect(true, "Test getSelectedText completed without crash")
 }
 
 @Test func testConcurrentGetSelectedText() async throws {
@@ -83,4 +89,5 @@ import Translation
             }
         }
     }
+    #expect(true, "Concurrent test getSelectedText completed without crash")
 }