testdata for IDEA-157350

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/PreferErrorOnTopLevelToFailedSubstitutorOnNestedLevel.java

@@ -0,0 +1,17 @@
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+class MyTest {
+  static Map<String, Meeting> getMeetingsById(List<Meeting> meetings){
+    return <error descr="Incompatible types. Required Map<String, Meeting> but 'collect' was inferred to R:
+no instance(s) of type variable(s) A, A, K, R, T exist so that List<T> conforms to Meeting">meetings.stream()
+      .collect(Collectors.groupingBy(Meeting::getId));</error>
+  }
+
+}
+class Meeting {
+  String getId() {
+    return null;
+  }
+}