Add missing packages to Groovy scripts

spring-context/src/test/resources/org/springframework/scripting/groovy/ScriptBean.groovy

@@ -1,3 +1,5 @@
+package org.springframework.scripting.groovy;
+
 import org.springframework.context.ApplicationContext
 import org.springframework.context.ApplicationContextAware
 import org.springframework.scripting.ContextScriptBean

spring-context/src/test/resources/org/springframework/scripting/groovy/TestFactoryBean.groovy

@@ -1,3 +1,5 @@
+package org.springframework.scripting.groovy;
+
 import org.springframework.beans.factory.FactoryBean
 
 class TestFactoryBean implements FactoryBean {
@@ -13,5 +15,4 @@ class TestFactoryBean implements FactoryBean {
 	public Object getObject() {
 		"test"
 	}
-
 }

spring-context/src/test/resources/org/springframework/scripting/groovy/simple.groovy

@@ -1 +1,3 @@
+package org.springframework.scripting.groovy;
+
 return 3 * 2