Tweak tests for serializable lambda
diff --git a/src/test/groovy/transform/stc/LambdaTest.groovy b/src/test/groovy/transform/stc/LambdaTest.groovy
index 2cc88d3..4612741 100644
--- a/src/test/groovy/transform/stc/LambdaTest.groovy
+++ b/src/test/groovy/transform/stc/LambdaTest.groovy
@@ -1129,8 +1129,7 @@
         import java.util.function.Function
         
         @groovy.transform.CompileStatic
-        class Test1 implements Serializable {
-            private static final long serialVersionUID = -1L;
+        class Test1 {
             static byte[] p() {
                     def out = new ByteArrayOutputStream()
                     String c = 'a'
@@ -1192,8 +1191,7 @@
         import java.util.function.Function
         
         @groovy.transform.CompileStatic
-        class Test1 implements Serializable {
-            private static final long serialVersionUID = -1L;
+        class Test1 {
             private static final String c = 'a'
             static byte[] p() {
                     def out = new ByteArrayOutputStream()
@@ -1395,8 +1393,7 @@
         interface SerializableFunction<T, R> extends Function<T, R>, Serializable {}
         
         @groovy.transform.CompileStatic
-        class Test1 implements Serializable {
-            private static final long serialVersionUID = -1L;
+        class Test1 {
             static p() {
                     def out1 = new ByteArrayOutputStream()
                     SerializableFunction<Integer, String> f1 = (Integer e) -> 'a' + e