testdata to check invalid method refs

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/UnknownQualifierClass.java

@@ -0,0 +1,9 @@
+public class Test {
+    interface I {
+        void foo();
+    }
+
+    public static void main(String[] args){
+        I i = <error descr="Cannot resolve symbol 'UnknownClass'">UnknownClass</error>::wait;
+    }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/MethodRefHighlightingTest.java

@@ -94,6 +94,10 @@ public class MethodRefHighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testUnknownQualifierClass() throws Exception {
+    doTest();
+  }
+
   private void doTest() {
     doTest(false);
   }