diff --git a/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderTest.java b/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderTest.java
index 30549e12f..33ffab57a 100644
--- a/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderTest.java
+++ b/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderTest.java
@@ -103,24 +103,4 @@ public void setUp() throws Exception {
   public void testBuilder$BuilderSingularWithPrefixes() throws IOException {
     doTest(true);
   }
-
-  //  TODO implement me
-  public void ignore_testBuilder$BuilderWithToBuilder() throws IOException {
-    doTest(true);
-  }
-
-  //  TODO fixme
-  public void ignore_testBuilder$BuilderWithToBuilderOnClass() throws IOException {
-    doTest(true);
-  }
-
-  //  TODO fixme
-  public void ignore_testBuilder$BuilderWithToBuilderOnConstructor() throws IOException {
-    doTest(true);
-  }
-
-  //  TODO fixme
-  public void ignore_testBuilder$BuilderWithToBuilderOnMethod() throws IOException {
-    doTest(true);
-  }
 }
diff --git a/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderToBuilderTest.java b/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderToBuilderTest.java
new file mode 100644
index 000000000..b5d9bfae4
--- /dev/null
+++ b/src/test/java/de/plushnikov/intellij/plugin/processor/BuilderToBuilderTest.java
@@ -0,0 +1,37 @@
+package de.plushnikov.intellij.plugin.processor;
+
+import de.plushnikov.intellij.plugin.AbstractLombokParsingTestCase;
+
+import java.io.IOException;
+
+/**
+ * Unit tests for IntelliJPlugin for Lombok, based on lombok test classes
+ */
+public class BuilderToBuilderTest extends AbstractLombokParsingTestCase {
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+    // Add dummy classes, which are absent in mockJDK
+    myFixture.addClass("package java.util;\n  public interface NavigableMap<K,V> extends java.util.SortedMap<K,V> {}");
+  }
+
+  //  TODO implement me
+  public void ignore_testBuilder$BuilderWithToBuilder() throws IOException {
+    doTest(true);
+  }
+
+  //  TODO fixme
+  public void ignore_testBuilder$BuilderWithToBuilderOnClass() throws IOException {
+    doTest(true);
+  }
+
+  //  TODO fixme
+  public void ignore_testBuilder$BuilderWithToBuilderOnConstructor() throws IOException {
+    doTest(true);
+  }
+
+  //  TODO fixme
+  public void ignore_testBuilder$BuilderWithToBuilderOnMethod() throws IOException {
+    doTest(true);
+  }
+}