tests: Rename tests.

Author: blakeli0

sdk-platform-java/java-showcase/gapic-showcase/src/test/java/com/google/showcase/v1beta1/it/ITOtelGoldenMetrics.java

@@ -398,7 +398,7 @@ public String getHeaderValue(int index) {
   }
 
   @Test
-  void testMetrics_zeroDeadline_grpc() throws Exception {
+  void testMetrics_clientTimeout_grpc() throws Exception {
     GoldenSignalsMetricsTracerFactory tracerFactory =
         new GoldenSignalsMetricsTracerFactory(openTelemetrySdk);
 
@@ -444,7 +444,7 @@ void testMetrics_zeroDeadline_grpc() throws Exception {
   }
 
   @Test
-  void testMetrics_zeroDeadline_httpjson() throws Exception {
+  void testMetrics_clientTimeout_httpjson() throws Exception {
     GoldenSignalsMetricsTracerFactory tracerFactory =
         new GoldenSignalsMetricsTracerFactory(openTelemetrySdk);
 
@@ -488,7 +488,7 @@ void testMetrics_zeroDeadline_httpjson() throws Exception {
   }
 
   @Test
-  void testMetrics_retryAndSucceed_grpc() throws Exception {
+  void testMetrics_retryShouldResultInOneMetric_grpc() throws Exception {
     GoldenSignalsMetricsTracerFactory tracerFactory =
         new GoldenSignalsMetricsTracerFactory(openTelemetrySdk);
 
@@ -566,7 +566,7 @@ public void sendMessage(ReqT message) {}
   }
 
   @Test
-  void testMetrics_retryAndSucceed_httpjson() throws Exception {
+  void testMetrics_retryShouldResultInOneMetric_httpjson() throws Exception {
     GoldenSignalsMetricsTracerFactory tracerFactory =
         new GoldenSignalsMetricsTracerFactory(openTelemetrySdk);