[Lombok] Convert tests with compilation errors to diagnostic tests

plugins/lombok/testData/box/nullability.kt

@@ -0,0 +1,22 @@
+// FILE: GetterSetterExample.java
+
+import lombok.*;
+import org.jetbrains.annotations.*;
+
+@Getter @Setter
+public class GetterSetterExample {
+    @NotNull
+    private Integer age = 10;
+    @Nullable
+    private String name;
+}
+
+
+// FILE: test.kt
+
+fun box(): String {
+    val obj = GetterSetterExample()
+    val age: Int = obj.getAge()
+    val name: String? = obj.getName()
+    return "OK"
+}