Fix for "Recipe validation error ..." (#168)

Author: dkorotych

src/main/resources/META-INF/rewrite/assertj.yml

@@ -58,7 +58,7 @@ recipeList:
   - org.openrewrite.java.testing.assertj.JUnitAssertNullToAssertThat
   - org.openrewrite.java.testing.assertj.JUnitAssertSameToAssertThat
   - org.openrewrite.java.testing.assertj.JUnitAssertTrueToAssertThat
-  - org.openrewrite.java.testing.assertj.JUnitJUnitFailToAssertJFail
+  - org.openrewrite.java.testing.assertj.JUnitFailToAssertJFail
   - org.openrewrite.maven.AddDependency:
       groupId: org.assertj
       artifactId: assertj-core