[tests] adds Groovy cases to not-null instrumenter test

java/java-tests/testData/compiler/notNullVerification/GroovyEnum.groovy

@@ -0,0 +1,9 @@
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+import org.jetbrains.annotations.NotNull
+
+@SuppressWarnings("unused")
+enum GroovyEnum {
+  Value(null, "1");
+
+  GroovyEnum(String s1, @NotNull String s2) { }
+}

java/java-tests/testData/compiler/notNullVerification/GroovyInnerClass.groovy

@@ -0,0 +1,12 @@
+import org.jetbrains.annotations.NotNull
+
+@SuppressWarnings("unused")
+class GroovyInnerClass {
+  GroovyInnerClass() {
+    new Inner(null, "")
+  }
+
+  private class Inner {
+    Inner(String s1, @NotNull String s2) { }
+  }
+}