fix test

Author: infeo

src/test/java/org/cryptomator/linux/keychain/SecretServiceKeychainAccessTest.java

@@ -3,8 +3,7 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.condition.EnabledOnOs;
-import org.junit.jupiter.api.condition.OS;
+import org.junit.jupiter.api.condition.EnabledIf;
 
 import java.io.IOException;
 import java.util.List;
@@ -13,14 +12,13 @@
 /**
  * Unit tests for GNOME keyring access via DBUS.
  */
-@EnabledOnOs(OS.LINUX)
 public class SecretServiceKeychainAccessTest {
 
 	private static boolean isInstalled;
 
 	@BeforeAll
 	public static void checkSystemAndSetup() throws IOException {
-		ProcessBuilder dbusSend = new ProcessBuilder("dbus-send","--print-reply","--dest=org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus.ListNames");
+		ProcessBuilder dbusSend = new ProcessBuilder("dbus-send", "--print-reply", "--dest=org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus.ListNames");
 		ProcessBuilder grep = new ProcessBuilder("grep", "org.gnome.keyring");
 		try {
 			Process end = ProcessBuilder.startPipeline(List.of(dbusSend, grep)).get(1);
@@ -36,10 +34,13 @@ public static void checkSystemAndSetup() throws IOException {
 
 
 	@Test
-	public void testIsSupported(){
+	@EnabledIf("isXdgDisplayEnvVarSet")
+	public void testIsSupported() {
 		SecretServiceKeychainAccess secretService = new SecretServiceKeychainAccess();
 		Assertions.assertEquals(isInstalled, secretService.isSupported());
 	}
 
-
-}
+	public boolean isXdgDisplayEnvVarSet() {
+		return System.getenv("DISPLAY") != null;
+	}
+}