Fix TestsShouldNotBePublicTest

Author: jkschneider

src/test/kotlin/org/openrewrite/java/testing/cleanup/TestsShouldNotBePublicTest.kt

@@ -166,7 +166,7 @@ class TestsShouldNotBePublicTest : JavaRecipeTest {
     @Test
     fun removePublicMethodModifiers() = assertChanged(
         before = """
-            import java.util.Collections;
+            import java.util.*;
             import org.junit.jupiter.api.*;
             import org.junit.jupiter.params.ParameterizedTest;
             import org.junit.jupiter.params.provider.ValueSource;
@@ -201,7 +201,7 @@ class TestsShouldNotBePublicTest : JavaRecipeTest {
             }
         """,
         after = """
-            import java.util.Collections;
+            import java.util.*;
             import org.junit.jupiter.api.*;
             import org.junit.jupiter.params.ParameterizedTest;
             import org.junit.jupiter.params.provider.ValueSource;
@@ -309,7 +309,7 @@ class TestsShouldNotBePublicTest : JavaRecipeTest {
     fun removeProtectedMethodModifiers() = assertChanged(
         recipe = TestsShouldNotBePublic(true),
         before = """
-            import java.util.Collections;
+            import java.util.*;
             import org.junit.jupiter.api.*;
             import org.junit.jupiter.params.ParameterizedTest;
             import org.junit.jupiter.params.provider.ValueSource;
@@ -344,7 +344,7 @@ class TestsShouldNotBePublicTest : JavaRecipeTest {
             }
         """,
         after = """
-            import java.util.Collections;
+            import java.util.*;
             import org.junit.jupiter.api.*;
             import org.junit.jupiter.params.ParameterizedTest;
             import org.junit.jupiter.params.provider.ValueSource;