Fix some failing tests

See: openrewrite/rewrite#3921

Author: knutwannheden

src/main/java/org/openrewrite/java/testing/testcontainers/ExplicitContainerImage.java

@@ -32,6 +32,8 @@
 import java.util.Arrays;
 import java.util.UUID;
 
+import static java.util.Collections.singletonList;
+
 @RequiredArgsConstructor
 public class ExplicitContainerImage extends Recipe {
     @Option(displayName = "Container class",
@@ -66,8 +68,12 @@ public TreeVisitor<?, ExecutionContext> getVisitor() {
             @Override
             public J.NewClass visitNewClass(J.NewClass newClass, ExecutionContext ctx) {
                 J.NewClass nc = super.visitNewClass(newClass, ctx);
-                if (methodMatcher.matches(newClass)) {
-                    return nc.withArguments(Arrays.asList(getConstructorArgument(newClass)));
+                if (methodMatcher.matches(nc)) {
+                    Expression constructorArgument = getConstructorArgument(nc);
+                    return nc.withArguments(Arrays.asList(constructorArgument))
+                            .withMethodType(nc.getMethodType()
+                                    .withParameterTypes(singletonList(constructorArgument.getType()))
+                                    .withParameterNames(singletonList("image")));
                 }
                 return nc;
             }
@@ -80,7 +86,7 @@ private Expression getConstructorArgument(J.NewClass newClass) {
                             .imports("org.testcontainers.utility.DockerImageName")
                             .javaParser(JavaParser.fromJavaVersion().classpath("testcontainers"))
                             .build()
-                            .apply(getCursor(), newClass.getArguments().get(0).getCoordinates().replace())
+                            .apply(getCursor(), newClass.getCoordinates().replace())
                             .withPrefix(Space.EMPTY);
                 }
                 return new J.Literal(UUID.randomUUID(), Space.EMPTY, Markers.EMPTY, image, "\"" + image + "\"", null, JavaType.Primitive.String);