fix: Fix failing instrumentation test preventing release (#1187)

* fix: Fix failing instrumentation test preventing release

* Fix comment

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* Update comment

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Author: losalex

google-cloud-logging/src/main/java/com/google/cloud/logging/Instrumentation.java

@@ -37,6 +37,9 @@ public final class Instrumentation {
   public static final String INSTRUMENTATION_NAME_KEY = "name";
   public static final String INSTRUMENTATION_VERSION_KEY = "version";
   public static final String JAVA_LIBRARY_NAME_PREFIX = "java";
+  // Using release-please annotations to update DEFAULT_INSTRUMENTATION_VERSION with latest version.
+  // See
+  // https://github.com/googleapis/release-please/blob/main/docs/customizing.md#updating-arbitrary-files
   // {x-version-update-start:google-cloud-logging:current}
   public static final String DEFAULT_INSTRUMENTATION_VERSION = "3.13.0";
   // {x-version-update-end}
@@ -233,7 +236,13 @@ public static String getLibraryVersion(Class<?> libraryClass) {
     return libraryVersion;
   }
 
-  private static String truncateValue(String value) {
+  /**
+   * Trancates given string to MAX_DIAGNOSTIC_VALUE_LENGTH and adds "*" instead of reduced suffix
+   *
+   * @param value {String} Value to be truncated
+   * @return The truncated string
+   */
+  public static String truncateValue(String value) {
     if (Strings.isNullOrEmpty(value) || value.length() < MAX_DIAGNOSTIC_VALUE_LENGTH) {
       return value;
     }

google-cloud-logging/src/test/java/com/google/cloud/logging/InstrumentationTest.java

@@ -51,7 +51,10 @@ public void testInstrumentationGenerated() {
         1,
         2,
         new HashSet<>(Arrays.asList(Instrumentation.JAVA_LIBRARY_NAME_PREFIX)),
-        new HashSet<>(Arrays.asList(Instrumentation.getLibraryVersion(Instrumentation.class))));
+        new HashSet<>(
+            Arrays.asList(
+                Instrumentation.truncateValue(
+                    Instrumentation.getLibraryVersion(Instrumentation.class)))));
   }
 
   @Test
@@ -78,7 +81,9 @@ public void testInstrumentationUpdated() {
         new HashSet<>(Arrays.asList(Instrumentation.JAVA_LIBRARY_NAME_PREFIX, JAVA_OTHER_NAME)),
         new HashSet<>(
             Arrays.asList(
-                Instrumentation.getLibraryVersion(Instrumentation.class), JAVA_OTHER_VERSION)));
+                Instrumentation.truncateValue(
+                    Instrumentation.getLibraryVersion(Instrumentation.class)),
+                JAVA_OTHER_VERSION)));
   }
 
   @Test
@@ -92,7 +97,10 @@ public void testInvalidInstrumentationRemoved() {
         0,
         1,
         new HashSet<>(Arrays.asList(Instrumentation.JAVA_LIBRARY_NAME_PREFIX)),
-        new HashSet<>(Arrays.asList(Instrumentation.getLibraryVersion(Instrumentation.class))));
+        new HashSet<>(
+            Arrays.asList(
+                Instrumentation.truncateValue(
+                    Instrumentation.getLibraryVersion(Instrumentation.class)))));
   }
 
   public static JsonPayload generateInstrumentationPayload(

google-cloud-logging/src/test/java/com/google/cloud/logging/LoggingHandlerTest.java

@@ -171,7 +171,8 @@ public class LoggingHandlerTest {
       LogEntry.newBuilder(
               InstrumentationTest.generateInstrumentationPayload(
                   Instrumentation.JAVA_LIBRARY_NAME_PREFIX,
-                  Instrumentation.getLibraryVersion(Instrumentation.class)))
+                  Instrumentation.truncateValue(
+                      Instrumentation.getLibraryVersion(Instrumentation.class))))
           .setLogName(Instrumentation.INSTRUMENTATION_LOG_NAME)
           .build();
 

google-cloud-logging/src/test/java/com/google/cloud/logging/LoggingImplTest.java

@@ -2333,7 +2333,8 @@ private void testDiagnosticInfoGeneration(boolean addPartialSuccessOption) {
         LogEntry.newBuilder(
                 InstrumentationTest.generateInstrumentationPayload(
                     Instrumentation.JAVA_LIBRARY_NAME_PREFIX,
-                    Instrumentation.getLibraryVersion(Instrumentation.class)))
+                    Instrumentation.truncateValue(
+                        Instrumentation.getLibraryVersion(Instrumentation.class))))
             .setLogName(Instrumentation.INSTRUMENTATION_LOG_NAME)
             .build();
     WriteLogEntriesRequest request =