Use JUnit 5 convention for class visibility

Author: garydgregory

src/test/java/org/apache/commons/text/AlphabetConverterTest.java

@@ -34,7 +34,7 @@
 /**
  * Tests {@link AlphabetConverter}.
  */
-public class AlphabetConverterTest {
+class AlphabetConverterTest {
 
     private static final Character[] LOWER_CASE_ENGLISH = { ' ', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
             't', 'u', 'v', 'w', 'x', 'y', 'z' };

src/test/java/org/apache/commons/text/CaseUtilsTest.java

@@ -30,7 +30,7 @@
 /**
  * Tests {@link CaseUtils} class.
  */
-public class CaseUtilsTest {
+class CaseUtilsTest {
 
     @Test
     void testConstructor() {

src/test/java/org/apache/commons/text/CharacterPredicatesTest.java

@@ -24,7 +24,7 @@
 /**
  * Tests for {@link CharacterPredicates}.
  */
-public class CharacterPredicatesTest {
+class CharacterPredicatesTest {
 
     @Test
     void testArabicNumerals() {

src/test/java/org/apache/commons/text/CompositeFormatTest.java

@@ -30,7 +30,7 @@
 /**
  * Tests {@link CompositeFormat}.
  */
-public class CompositeFormatTest {
+class CompositeFormatTest {
 
     /**
      * Ensures that the parse/format separation is correctly maintained.

src/test/java/org/apache/commons/text/ExtendedMessageFormatTest.java

@@ -40,7 +40,7 @@
 /**
  * Test case for {@link ExtendedMessageFormat}.
  */
-public class ExtendedMessageFormatTest {
+class ExtendedMessageFormatTest {
 
     /**
      * {@link Format} implementation which converts to lower case.

src/test/java/org/apache/commons/text/FormattableUtilsTest.java

@@ -28,7 +28,7 @@
 /**
  * Unit tests {@link FormattableUtils}.
  */
-public class FormattableUtilsTest {
+class FormattableUtilsTest {
 
     static class SimplestFormattable implements Formattable {
         private final String text;

src/test/java/org/apache/commons/text/RandomStringGeneratorTest.java

@@ -30,7 +30,7 @@
 /**
  * Tests for {@link RandomStringGenerator}
  */
-public class RandomStringGeneratorTest {
+class RandomStringGeneratorTest {
 
     private static final CharacterPredicate A_FILTER = codePoint -> codePoint == 'a';
 

src/test/java/org/apache/commons/text/StrBuilderAppendInsertTest.java

@@ -36,7 +36,7 @@
  * @deprecated This class will be removed in 2.0.
  */
 @Deprecated
-public class StrBuilderAppendInsertTest {
+class StrBuilderAppendInsertTest {
 
     /** The system line separator. */
     private static final String SEP = System.lineSeparator();

src/test/java/org/apache/commons/text/StrBuilderTest.java

@@ -46,7 +46,7 @@
  * @deprecated This class will be removed in 2.0.
  */
 @Deprecated
-public class StrBuilderTest {
+class StrBuilderTest {
 
     private static final class MockReadable implements Readable {
 

src/test/java/org/apache/commons/text/StrLookupTest.java

@@ -33,7 +33,7 @@
  * @deprecated This class will be removed in 2.0.
  */
 @Deprecated
-public class StrLookupTest  {
+class StrLookupTest  {
 
     @Test
     void testMapLookup() {