diff --git a/client/src/test/java/com/google/cloud/gcs/analyticscore/client/GcsClientImplTest.java b/client/src/test/java/com/google/cloud/gcs/analyticscore/client/GcsClientImplTest.java
index a67e72d44..fc0598d97 100644
--- a/client/src/test/java/com/google/cloud/gcs/analyticscore/client/GcsClientImplTest.java
+++ b/client/src/test/java/com/google/cloud/gcs/analyticscore/client/GcsClientImplTest.java
@@ -84,6 +84,7 @@ class GcsClientImplTest {
   private static final String TEST_WRITE_OBJECT = "test-write-object";
   private static final String TEST_NULL_OPTIONS_OBJECT = "test-null-options";
   private static final String TEST_NON_EXISTENT_OBJECT = "non-existent";
+  private static final String NON_EXISTENT_BUCKET = "non-existent-bucket";
   private static final String TEST_OBJECT_NAME = "test-object-name";
   private static final String BLOB_WRITE_SESSION_CONFIG_FIELD = "blobWriteSessionConfig";
   private static final int MB = 1024 * 1024;
@@ -168,7 +169,7 @@ void getGcsItemInfo_nonExistentBlob_throwsIOException() {
   void openReadChannel_gcsObjectExists_returnsChannelWithCorrectSizeAndContent()
       throws IOException {
     String objectData = "hello world";
-    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId("test-project").build();
+    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).build();
     GcsItemId itemId =
         GcsItemId.builder().setBucketName(TEST_BUCKET_NAME).setObjectName(TEST_OBJECT_NAME).build();
     GcsItemInfo itemInfo =
@@ -193,7 +194,7 @@ void openReadChannel_gcsObjectExists_returnsChannelWithCorrectSizeAndContent()
   void openReadChannel_itemId_gcsObjectExists_returnsChannelWithCorrectSizeAndContent()
       throws IOException {
     String objectData = "hello world";
-    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId("test-project").build();
+    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).build();
     GcsItemId itemId =
         GcsItemId.builder().setBucketName(TEST_BUCKET_NAME).setObjectName(TEST_OBJECT_NAME).build();
     StorageTestUtils.createBlobInStorage(
@@ -212,8 +213,7 @@ void openReadChannel_itemId_gcsObjectExists_returnsChannelWithCorrectSizeAndCont
 
   @Test
   void openReadChannel_nullItemId_throwsNullPointerException() {
-    GcsReadOptions readOptions =
-        GcsReadOptions.builder().setUserProjectId("test-project-id").build();
+    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).build();
 
     NullPointerException e =
         assertThrows(
@@ -224,8 +224,7 @@ void openReadChannel_nullItemId_throwsNullPointerException() {
 
   @Test
   void openReadChannel_nullItemInfo_throwsNullPointerException() {
-    GcsReadOptions readOptions =
-        GcsReadOptions.builder().setUserProjectId("test-project-id").build();
+    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).build();
 
     NullPointerException e =
         assertThrows(
@@ -255,8 +254,7 @@ void openReadChannel_itemInfoPointsToDirectory_throwsIllegalArgumentException()
             .setSize(0L)
             .setContentGeneration(-1L)
             .build();
-    GcsReadOptions readOptions =
-        GcsReadOptions.builder().setUserProjectId("test-project-id").build();
+    GcsReadOptions readOptions = GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).build();
 
     IllegalArgumentException e =
         assertThrows(
@@ -282,7 +280,7 @@ void getUserAgent_noOptionalUserAgent() throws Exception {
   void getUserAgent_withOptionalUserAgent() throws Exception {
     GcsClientOptions options =
         GcsClientOptions.builder()
-            .setProjectId("test-project")
+            .setProjectId(TEST_PROJECT)
             .setUserAgent("custom-app/1.0")
             .build();
     GcsClientImpl client = new GcsClientImpl(options, executorServiceSupplier, telemetry);
@@ -353,9 +351,9 @@ void getBucketProperties_hnsNull_returnsFalse() throws IOException {
   void getBucketProperties_bucketNotFound_returnsDisabledHns() throws Exception {
     Storage mockStorage = mock(Storage.class);
     GcsClientImpl localGcsClient = createClientWithMockStorage(mockStorage);
-    doReturn(null).when(mockStorage).get(eq("non-existent-bucket"), any(BucketGetOption.class));
+    doReturn(null).when(mockStorage).get(eq(NON_EXISTENT_BUCKET), any(BucketGetOption.class));
 
-    BucketProperties properties = localGcsClient.getBucketProperties("non-existent-bucket");
+    BucketProperties properties = localGcsClient.getBucketProperties(NON_EXISTENT_BUCKET);
 
     assertThat(properties.isHnsEnabled()).isFalse();
   }
@@ -507,12 +505,9 @@ void create_whenBucketOrObjectNotFound_throwsFileNotFoundException() throws Exce
     Storage mockStorage = mock(Storage.class);
     GcsClientImpl clientWithMock = createClientWithMockStorage(mockStorage);
     GcsItemId itemId =
-        GcsItemId.builder()
-            .setBucketName("non-existent-bucket")
-            .setObjectName("test-object")
-            .build();
+        GcsItemId.builder().setBucketName(NON_EXISTENT_BUCKET).setObjectName(TEST_OBJECT).build();
     BlobInfo blobInfo =
-        BlobInfo.newBuilder(BlobId.of("non-existent-bucket", "test-object"))
+        BlobInfo.newBuilder(BlobId.of(NON_EXISTENT_BUCKET, TEST_OBJECT))
             .setContentType("application/octet-stream")
             .build();
     StorageException e404 = new StorageException(404, "Not Found");
@@ -795,19 +790,6 @@ void create_whenOpenThrowsIOException_propagatesIOException() throws Exception {
     assertThat(thrown).isSameInstanceAs(ioException);
   }
 
-  @Test
-  void getBlob_whenBucketNameIsNull_throwsNullPointerException() throws Exception {
-    GcsItemId itemId = mock(GcsItemId.class);
-    when(itemId.getBucketName()).thenReturn(null);
-    when(itemId.getObjectName()).thenReturn(Optional.of(TEST_OBJECT));
-    when(itemId.isGcsObject()).thenReturn(true);
-
-    GcsClientImpl client =
-        new GcsClientImpl(TEST_GCS_CLIENT_OPTIONS, executorServiceSupplier, telemetry);
-
-    assertThrows(NullPointerException.class, () -> client.getGcsItemInfo(itemId));
-  }
-
   @Test
   void getGcsItemInfo_whenBucketItemIdProvided_throwsUnsupportedOperationException()
       throws Exception {
@@ -1000,30 +982,27 @@ void createStorage_bidiDisabled_usesHttpTransport() throws IOException {
   void createStorage_bidiEnabled_usesGrpcTransport() throws IOException {
     GcsClientOptions options =
         GcsClientOptions.builder()
-            .setProjectId("test-project")
+            .setProjectId(TEST_PROJECT)
             .setGcsReadOptions(GcsReadOptions.builder().setBidiReadEnabled(true).build())
             .build();
+
     GcsClientImpl client =
         new GcsClientImpl(NoCredentials.getInstance(), options, executorServiceSupplier, telemetry);
+
     assertThat(client.storage.getOptions()).isInstanceOf(GrpcStorageOptions.class);
   }
 
   @Test
   void openReadChannel_bidiEnabled_returnsGcsBidiReadChannel() throws IOException {
     GcsReadOptions readOptions =
-        GcsReadOptions.builder().setUserProjectId("test-project").setBidiReadEnabled(true).build();
+        GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).setBidiReadEnabled(true).build();
     GcsItemId itemId =
-        GcsItemId.builder()
-            .setBucketName("test-bucket-name")
-            .setObjectName("test-object-name")
-            .build();
+        GcsItemId.builder().setBucketName(TEST_BUCKET_NAME).setObjectName(TEST_OBJECT_NAME).build();
     GcsItemInfo itemInfo =
         GcsItemInfo.builder().setItemId(itemId).setSize(100L).setContentGeneration(0L).build();
-
     Storage mockStorage = mock(Storage.class);
     ApiFuture<BlobReadSession> mockSessionFuture = mock(ApiFuture.class);
     when(mockStorage.blobReadSession(any(BlobId.class))).thenReturn(mockSessionFuture);
-
     GcsClient bidiClient =
         new GcsClientImpl(TEST_GCS_CLIENT_OPTIONS, executorServiceSupplier, telemetry) {
           @Override
@@ -1033,23 +1012,19 @@ protected Storage createStorage(Optional<Credentials> credentials) {
         };
 
     VectoredSeekableByteChannel channel = bidiClient.openReadChannel(itemInfo, readOptions);
+
     assertThat(channel).isInstanceOf(GcsBidiReadChannel.class);
   }
 
   @Test
   void openReadChannel_itemId_bidiEnabled_returnsGcsBidiReadChannel() throws IOException {
     GcsReadOptions readOptions =
-        GcsReadOptions.builder().setUserProjectId("test-project").setBidiReadEnabled(true).build();
+        GcsReadOptions.builder().setUserProjectId(TEST_PROJECT).setBidiReadEnabled(true).build();
     GcsItemId itemId =
-        GcsItemId.builder()
-            .setBucketName("test-bucket-name")
-            .setObjectName("test-object-name")
-            .build();
-
+        GcsItemId.builder().setBucketName(TEST_BUCKET_NAME).setObjectName(TEST_OBJECT_NAME).build();
     Storage mockStorage = mock(Storage.class);
     ApiFuture<BlobReadSession> mockSessionFuture = mock(ApiFuture.class);
     when(mockStorage.blobReadSession(any(BlobId.class))).thenReturn(mockSessionFuture);
-
     GcsClient bidiClient =
         new GcsClientImpl(TEST_GCS_CLIENT_OPTIONS, executorServiceSupplier, telemetry) {
           @Override
@@ -1059,6 +1034,7 @@ protected Storage createStorage(Optional<Credentials> credentials) {
         };
 
     VectoredSeekableByteChannel channel = bidiClient.openReadChannel(itemId, readOptions);
+
     assertThat(channel).isInstanceOf(GcsBidiReadChannel.class);
   }
 }
diff --git a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingOpenTelemetryProviderTest.java b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingOpenTelemetryProviderTest.java
index 6ceba672f..f51f5c577 100644
--- a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingOpenTelemetryProviderTest.java
+++ b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingOpenTelemetryProviderTest.java
@@ -23,7 +23,7 @@
 class LoggingOpenTelemetryProviderTest {
 
   @Test
-  void testGet_returnsNonNullInstance() {
+  void get_returnsNonNullInstance() {
     try (LoggingOpenTelemetryProvider provider =
         new LoggingOpenTelemetryProvider(OpenTelemetryOptions.builder().build())) {
       OpenTelemetry openTelemetry = provider.getOpenTelemetry();
@@ -33,7 +33,7 @@ void testGet_returnsNonNullInstance() {
   }
 
   @Test
-  void testGet_returnsSameInstanceOnMultipleCalls() {
+  void get_returnsSameInstanceOnMultipleCalls() {
     try (LoggingOpenTelemetryProvider provider =
         new LoggingOpenTelemetryProvider(OpenTelemetryOptions.builder().build())) {
       OpenTelemetry firstCall = provider.getOpenTelemetry();
@@ -44,7 +44,7 @@ void testGet_returnsSameInstanceOnMultipleCalls() {
   }
 
   @Test
-  void testConstructor_withDuration_createsSuccessfully() {
+  void constructor_withDuration_createsSuccessfully() {
     try (LoggingOpenTelemetryProvider provider =
         new LoggingOpenTelemetryProvider(
             OpenTelemetryOptions.builder().setExportIntervalSeconds(30).build())) {
diff --git a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryOptionsTest.java b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryOptionsTest.java
index bb1fc4244..0401e8336 100644
--- a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryOptionsTest.java
+++ b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryOptionsTest.java
@@ -25,7 +25,7 @@
 class LoggingTelemetryOptionsTest {
 
   @Test
-  void testLoggingTelemetryOptionsDefaultValues() {
+  void loggingTelemetryOptions_defaultValues_returnsDefaultOptions() {
     LoggingTelemetryOptions options = LoggingTelemetryOptions.builder().build();
 
     assertThat(options.isEnabled()).isFalse();
@@ -33,7 +33,7 @@ void testLoggingTelemetryOptionsDefaultValues() {
   }
 
   @Test
-  void testCreateFromOptions_NoOptions() {
+  void createFromOptions_noOptions_returnsEmpty() {
     Map<String, String> options = new HashMap<>();
     Optional<LoggingTelemetryOptions> telemetryOptions =
         LoggingTelemetryOptions.createFromOptions(options, "prefix.");
@@ -42,7 +42,7 @@ void testCreateFromOptions_NoOptions() {
   }
 
   @Test
-  void testCreateFromOptions_WithAllOptions() {
+  void createFromOptions_withAllOptions_returnsPresentOptions() {
     Map<String, String> options = new HashMap<>();
     options.put("prefix.telemetry.logging.enabled", "true");
     options.put("prefix.telemetry.logging.level", "ERROR");
@@ -57,7 +57,7 @@ void testCreateFromOptions_WithAllOptions() {
   }
 
   @Test
-  void testCreateFromOptions_WithInvalidLevel_fallsbackToDefaults() {
+  void createFromOptions_withInvalidLevel_fallsBackToDefaults() {
     Map<String, String> options = new HashMap<>();
     options.put("prefix.telemetry.logging.enabled", "true");
     options.put("prefix.telemetry.logging.level", "INVALID_LEVEL");
diff --git a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryReporterTest.java b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryReporterTest.java
index 3f60eef8f..9d474c275 100644
--- a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryReporterTest.java
+++ b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/LoggingTelemetryReporterTest.java
@@ -26,27 +26,7 @@
 class LoggingTelemetryReporterTest {
 
   @Test
-  public void testLoggingOptionsDefaultValues() {
-    LoggingTelemetryOptions options = LoggingTelemetryOptions.builder().build();
-
-    assertThat(options.isEnabled()).isFalse();
-    assertThat(options.getLogLevel()).isEqualTo(LoggingTelemetryOptions.LogLevel.DEBUG);
-  }
-
-  @Test
-  public void testLoggingOptionsCustomValues() {
-    LoggingTelemetryOptions options =
-        LoggingTelemetryOptions.builder()
-            .setEnabled(true)
-            .setLogLevel(LoggingTelemetryOptions.LogLevel.INFO)
-            .build();
-
-    assertThat(options.isEnabled()).isTrue();
-    assertThat(options.getLogLevel()).isEqualTo(LoggingTelemetryOptions.LogLevel.INFO);
-  }
-
-  @Test
-  public void testFormatMetrics_singleMetricWithoutAttributes() {
+  void formatMetrics_singleMetricWithoutAttributes() {
     try (LoggingTelemetryReporter reporter =
         new LoggingTelemetryReporter(LoggingTelemetryOptions.builder().build())) {
       Map<MetricKey, Long> metrics =
@@ -63,7 +43,7 @@ public void testFormatMetrics_singleMetricWithoutAttributes() {
   }
 
   @Test
-  public void testFormatMetrics_singleMetricWithAttributes() {
+  void formatMetrics_singleMetricWithAttributes() {
     try (LoggingTelemetryReporter reporter =
         new LoggingTelemetryReporter(LoggingTelemetryOptions.builder().build())) {
       Map<MetricKey, Long> metrics =
@@ -84,7 +64,7 @@ public void testFormatMetrics_singleMetricWithAttributes() {
   }
 
   @Test
-  public void testFormatMetrics_multipleMetrics() {
+  void formatMetrics_multipleMetrics() {
     try (LoggingTelemetryReporter reporter =
         new LoggingTelemetryReporter(LoggingTelemetryOptions.builder().build())) {
       Map<MetricKey, Long> metrics =
diff --git a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryOptionsTest.java b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryOptionsTest.java
index 546d9c50a..e3384b60a 100644
--- a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryOptionsTest.java
+++ b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryOptionsTest.java
@@ -27,14 +27,14 @@
 class OpenTelemetryOptionsTest {
 
   @Test
-  void testOpenTelemetryOptionsDefaultValues() {
+  void openTelemetryOptions_defaultValues_returnsDefaultOptions() {
     OpenTelemetryOptions options = OpenTelemetryOptions.builder().build();
     assertThat(options.isEnabled()).isFalse();
     assertThat(options.getProviderType()).isEqualTo(OpenTelemetryOptions.ProviderType.GLOBAL);
   }
 
   @Test
-  void testOpenTelemetryOptionsCustomValues() {
+  void openTelemetryOptions_customValues_returnsCustomOptions() {
     OpenTelemetry customTelemetry = GlobalOpenTelemetry.get();
     OpenTelemetryOptions options =
         OpenTelemetryOptions.builder()
@@ -52,7 +52,7 @@ void testOpenTelemetryOptionsCustomValues() {
   }
 
   @Test
-  void testOpenTelemetryOptionsLoggingProvider() {
+  void openTelemetryOptions_loggingProvider_returnsLoggingOptions() {
     OpenTelemetryOptions options =
         OpenTelemetryOptions.builder()
             .setEnabled(true)
@@ -64,7 +64,7 @@ void testOpenTelemetryOptionsLoggingProvider() {
   }
 
   @Test
-  void testCreateFromOptions_NoOptions() {
+  void createFromOptions_noOptions_returnsEmpty() {
     Map<String, String> options = new HashMap<>();
     Optional<OpenTelemetryOptions> telemetryOptions =
         OpenTelemetryOptions.createFromOptions(options, "prefix.");
@@ -73,7 +73,7 @@ void testCreateFromOptions_NoOptions() {
   }
 
   @Test
-  void testCreateFromOptions_WithAllOptions() {
+  void createFromOptions_withAllOptions_returnsPresentOptions() {
     Map<String, String> options = new HashMap<>();
     options.put("prefix.telemetry.opentelemetry.enabled", "true");
     options.put("prefix.telemetry.opentelemetry.provider-type", "PRE_CONFIGURED");
@@ -90,7 +90,7 @@ void testCreateFromOptions_WithAllOptions() {
   }
 
   @Test
-  void testCreateFromOptions_WithInvalidValues_fallsbackToDefaults() {
+  void createFromOptions_withInvalidValues_fallsBackToDefaults() {
     Map<String, String> options = new HashMap<>();
     options.put("prefix.telemetry.opentelemetry.enabled", "true");
     options.put("prefix.telemetry.opentelemetry.provider-type", "INVALID_PROVIDER");
diff --git a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryReporterTest.java b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryReporterTest.java
index e652c41d6..b0cdcd23d 100644
--- a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryReporterTest.java
+++ b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/OpenTelemetryReporterTest.java
@@ -67,7 +67,7 @@ void setUp() {
   }
 
   @Test
-  void testOperationEnd_recordsMetrics() {
+  void operationEnd_recordsMetrics() {
     OpenTelemetryOptions options =
         OpenTelemetryOptions.builder()
             .setEnabled(true)
diff --git a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/TelemetryOptionsTest.java b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/TelemetryOptionsTest.java
index 60c4d32e5..0b2b8b2a6 100644
--- a/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/TelemetryOptionsTest.java
+++ b/common/src/test/java/com/google/cloud/gcs/analyticscore/common/telemetry/TelemetryOptionsTest.java
@@ -22,10 +22,10 @@
 import java.util.Map;
 import org.junit.jupiter.api.Test;
 
-public class TelemetryOptionsTest {
+class TelemetryOptionsTest {
 
   @Test
-  public void testBuilderWithCustomTelemetryOptions() {
+  void builderWithCustomTelemetryOptions() {
     OperationListener listener =
         new OperationListener() {
           @Override
@@ -44,7 +44,7 @@ public void onOperationEnd(Operation operation, java.util.Map<MetricKey, Long> m
   }
 
   @Test
-  public void testCreateFromOptions_Empty() {
+  void createFromOptions_Empty() {
     Map<String, String> optionsMap = new HashMap<>();
     TelemetryOptions options = TelemetryOptions.createFromOptions(optionsMap, "prefix.");
 
@@ -53,7 +53,7 @@ public void testCreateFromOptions_Empty() {
   }
 
   @Test
-  public void testCreateFromOptions_WithLogging() {
+  void createFromOptions_WithLogging() {
     Map<String, String> optionsMap = new HashMap<>();
     optionsMap.put("prefix.telemetry.logging.enabled", "true");
     optionsMap.put("prefix.telemetry.logging.level", "INFO");
@@ -68,7 +68,7 @@ public void testCreateFromOptions_WithLogging() {
   }
 
   @Test
-  public void testCreateFromOptions_WithOpenTelemetry() {
+  void createFromOptions_WithOpenTelemetry() {
     Map<String, String> optionsMap = new HashMap<>();
     optionsMap.put("prefix.telemetry.opentelemetry.enabled", "true");
     optionsMap.put("prefix.telemetry.opentelemetry.provider-type", "LOGGING");
@@ -83,7 +83,7 @@ public void testCreateFromOptions_WithOpenTelemetry() {
   }
 
   @Test
-  public void testCreateFromOptions_WithAll() {
+  void createFromOptions_WithAll() {
     Map<String, String> optionsMap = new HashMap<>();
     optionsMap.put("prefix.telemetry.logging.enabled", "true");
     optionsMap.put("prefix.telemetry.opentelemetry.enabled", "false");