TestRuleToTestInfo adds java.util.Optional import. (fixes #229)

Author: pway99

src/main/java/org/openrewrite/java/testing/junit5/TestRuleToTestInfo.java

@@ -152,6 +152,7 @@ public J.ClassDeclaration visitClassDeclaration(J.ClassDeclaration classDecl, Ex
                             cd.getBody().getCoordinates().lastStatement(),
                             varDecls.getVariables().get(0).getName().getSimpleName());
                     maybeAddImport("java.lang.reflect.Method");
+                    maybeAddImport("java.util.Optional");
                 } else {
                     doAfterVisit(new BeforeMethodToTestInfoVisitor(beforeMethod, varDecls, testMethodStatement));
                 }
@@ -195,6 +196,7 @@ public J.MethodDeclaration visitMethodDeclaration(J.MethodDeclaration method, Ex
                     md = md.withBody(md.getBody().withStatements(reorderedStatements));
                 }
                 maybeAddImport("java.lang.reflect.Method");
+                maybeAddImport("java.util.Optional");
             }
             return md;
         }

src/test/kotlin/org/openrewrite/java/testing/junit5/TestRuleToTestInfoTest.kt

@@ -48,6 +48,7 @@ class TestRuleToTestInfoTest : JavaRecipeTest {
             import org.junit.jupiter.api.TestInfo;
             
             import java.lang.reflect.Method;
+            import java.util.Optional;
 
             public class SomeTest {
                 
@@ -99,6 +100,7 @@ class TestRuleToTestInfoTest : JavaRecipeTest {
             import org.junit.jupiter.api.TestInfo;
             
             import java.lang.reflect.Method;
+            import java.util.Optional;
 
             public class SomeTest {
                 protected int count;