Make test macOS-only, Fix code style

Author: thecoolwinter

Tests/SwiftTermTests/SelectionTests.swift

@@ -39,7 +39,10 @@ final class SelectionTests: XCTestCase, TerminalDelegate {
 
     }
 
-    func testMouseHitCorrectWhenScrolled() {
+#if os(macOS)
+    // Test only on macOS due to differences in how frames are handled on mac and iOS
+    func testMouseHitCorrectWhenScrolled()
+    {
         let view = TerminalView(frame: CGRect(origin: .zero, size: .init(width: 10, height: 10)))
 
         for _ in 0..<100 {
@@ -54,4 +57,5 @@ final class SelectionTests: XCTestCase, TerminalDelegate {
         view.scrollTo(row: 1)
         XCTAssertEqual(view.calculateMouseHit(at: CGPoint(x: 0, y: 10)).grid.row, 1)
     }
+#endif
 }