[tests] add test

closes #9183

tests/server/src/cases/display/issues/Issue9183.hx

@@ -0,0 +1,20 @@
+package cases.display.issues;
+
+class Issue9183 extends DisplayTestCase {
+	/**
+		class A {
+			function f(x:Int) {}
+			function g(y:Int) {}
+		}
+
+		class B extends A {
+			override function f(x:Int) {
+				g(10); {-1-}
+			}
+		}
+	**/
+	function test(_) {
+		runHaxeJson([], DisplayMethods.SignatureHelp, {file: file, offset: offset(1), wasAutoTriggered: false});
+		assertSuccess();
+	}
+}