test: adapt to cygwin target

Author: Berrysoft

tests/testsuite/artifact_dir.rs

@@ -389,7 +389,7 @@ fn check_dir_contents(
     expected_win_msvc: &[&str],
     expected_win_gnu: &[&str],
 ) {
-    let expected = if cfg!(target_os = "windows") {
+    let expected = if cfg!(any(target_os = "windows", target_os = "cygwin")) {
         if cfg!(target_env = "msvc") {
             expected_win_msvc
         } else {

tests/testsuite/build.rs

@@ -5075,7 +5075,7 @@ fn cdylib_not_lifted() {
 
     p.cargo("build").run();
 
-    let files = if cfg!(windows) {
+    let files = if cfg!(any(windows, target_os = "cygwin")) {
         if cfg!(target_env = "msvc") {
             vec!["foo.dll.lib", "foo.dll.exp", "foo.dll"]
         } else {
@@ -5114,7 +5114,7 @@ fn cdylib_final_outputs() {
 
     p.cargo("build").run();
 
-    let files = if cfg!(windows) {
+    let files = if cfg!(any(windows, target_os = "cygwin")) {
         if cfg!(target_env = "msvc") {
             vec!["foo_bar.dll.lib", "foo_bar.dll"]
         } else {