make tests package protected

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>

Author: zeitlinger

integration-tests/it-common/src/test/java/io/prometheus/client/it/common/LogConsumer.java

@@ -4,7 +4,7 @@
 import org.testcontainers.containers.output.OutputFrame;
 
 /** Print Docker logs from TestContainers to stdout or stderr. */
-class LogConsumer implements Consumer<OutputFrame> {
+public class LogConsumer implements Consumer<OutputFrame> {
 
   private final String prefix;
 

integration-tests/it-common/src/test/java/io/prometheus/client/it/common/Volume.java

@@ -12,7 +12,7 @@
 import java.util.function.Predicate;
 
 /** Temporary directory in ./target/ to be mounted as a volume in Docker containers. */
-class Volume {
+public class Volume {
 
   private final Path tmpDir; // will be created in the ./target/ directory
 

prometheus-metrics-core/src/test/java/io/prometheus/metrics/core/exemplars/ExemplarSamplerConfigTestUtil.java

@@ -2,7 +2,7 @@
 
 import java.lang.reflect.Field;
 
-class ExemplarSamplerConfigTestUtil {
+public class ExemplarSamplerConfigTestUtil {
 
   private static ExemplarSamplerConfig getConfig(Object metric, String fieldName)
       throws NoSuchFieldException, IllegalAccessException {

prometheus-metrics-core/src/test/java/io/prometheus/metrics/core/metrics/TestUtil.java

@@ -6,7 +6,7 @@
 import io.prometheus.metrics.model.snapshots.Exemplar;
 import io.prometheus.metrics.model.snapshots.Label;
 
-class TestUtil {
+public class TestUtil {
 
   public static void assertExemplarEquals(Exemplar expected, Exemplar actual) {
     // ignore timestamp

prometheus-metrics-instrumentation-jvm/src/test/java/io/prometheus/metrics/instrumentation/jvm/TestUtil.java

@@ -7,7 +7,7 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 
-class TestUtil {
+public class TestUtil {
 
   static String convertToOpenMetricsFormat(MetricSnapshots snapshots) throws IOException {
     ByteArrayOutputStream out = new ByteArrayOutputStream();

prometheus-metrics-model/src/test/java/io/prometheus/metrics/model/snapshots/SnapshotTestUtil.java

@@ -2,7 +2,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-class SnapshotTestUtil {
+public class SnapshotTestUtil {
 
   public static void assertMetadata(
       MetricSnapshot snapshot, String name, String help, String unit) {