Test: Upgrade Mickito version and replace deprecated methods. (#1922)

songy23 · web-flow · commit 8a189aa711e4 · 2019-05-29T13:41:29.000-07:00
* Test: Upgrade Mickito version and replace deprecated methods.

* More fix.

* Add missing RunWith.

* Skip tests that don't work with JDK 9+.
diff --git a/api/src/test/java/io/opencensus/trace/CurrentSpanUtilsTest.java b/api/src/test/java/io/opencensus/trace/CurrentSpanUtilsTest.java
@@ -17,7 +17,7 @@
 package io.opencensus.trace;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyZeroInteractions;
 
diff --git a/api/src/test/java/io/opencensus/trace/SpanTest.java b/api/src/test/java/io/opencensus/trace/SpanTest.java
@@ -17,8 +17,8 @@
 package io.opencensus.trace;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 
 import java.util.Collections;
diff --git a/api/src/test/java/io/opencensus/trace/TracerTest.java b/api/src/test/java/io/opencensus/trace/TracerTest.java
@@ -17,7 +17,7 @@
 package io.opencensus.trace;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verifyZeroInteractions;
 import static org.mockito.Mockito.when;
 
diff --git a/build.gradle b/build.gradle
@@ -227,7 +227,7 @@ subprojects {
                 // Test dependencies.
                 guava_testlib: "com.google.guava:guava-testlib:${guavaVersion}",
                 junit: 'junit:junit:4.12',
-                mockito: 'org.mockito:mockito-core:1.9.5',
+                mockito: 'org.mockito:mockito-core:2.28.1',
                 spring_test: "org.springframework:spring-test:${springVersion}",
                 truth: 'com.google.truth:truth:0.44',
                 spring_boot_test: "org.springframework.boot:spring-boot-starter-test:${springBootTestVersion}",
diff --git a/contrib/agent/src/test/java/io/opencensus/contrib/agent/ResourcesTest.java b/contrib/agent/src/test/java/io/opencensus/contrib/agent/ResourcesTest.java
@@ -31,7 +31,7 @@
 import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /** Unit tests for {@link Resources}. */
 @RunWith(MockitoJUnitRunner.class)
diff --git a/contrib/agent/src/test/java/io/opencensus/contrib/agent/bootstrap/ContextTrampolineTest.java b/contrib/agent/src/test/java/io/opencensus/contrib/agent/bootstrap/ContextTrampolineTest.java
@@ -24,7 +24,7 @@
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.Mockito;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /** Unit tests for {@link ContextTrampoline}. */
 @RunWith(MockitoJUnitRunner.class)
diff --git a/contrib/agent/src/test/java/io/opencensus/contrib/agent/bootstrap/TraceTrampolineTest.java b/contrib/agent/src/test/java/io/opencensus/contrib/agent/bootstrap/TraceTrampolineTest.java
@@ -25,7 +25,7 @@
 import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.mockito.Mockito;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /** Unit tests for {@link TraceTrampoline}. */
 @RunWith(MockitoJUnitRunner.class)
diff --git a/contrib/agent/src/test/java/io/opencensus/contrib/agent/instrumentation/ExecutorInstrumentationTest.java b/contrib/agent/src/test/java/io/opencensus/contrib/agent/instrumentation/ExecutorInstrumentationTest.java
@@ -23,7 +23,7 @@
 import net.bytebuddy.agent.builder.AgentBuilder;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /** Unit tests for {@link ExecutorInstrumentation}. */
 @RunWith(MockitoJUnitRunner.class)
diff --git a/contrib/agent/src/test/java/io/opencensus/contrib/agent/instrumentation/ThreadInstrumentationTest.java b/contrib/agent/src/test/java/io/opencensus/contrib/agent/instrumentation/ThreadInstrumentationTest.java
@@ -23,7 +23,7 @@
 import net.bytebuddy.agent.builder.AgentBuilder;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /** Unit tests for {@link ThreadInstrumentation}. */
 @RunWith(MockitoJUnitRunner.class)
diff --git a/contrib/agent/src/test/java/io/opencensus/contrib/agent/instrumentation/UrlInstrumentationTest.java b/contrib/agent/src/test/java/io/opencensus/contrib/agent/instrumentation/UrlInstrumentationTest.java
@@ -23,7 +23,7 @@
 import net.bytebuddy.agent.builder.AgentBuilder;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /** Unit tests for {@link UrlInstrumentation}. */
 @RunWith(MockitoJUnitRunner.class)
diff --git a/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsClientExtractorTest.java b/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsClientExtractorTest.java
@@ -24,10 +24,22 @@
 import java.net.URI;
 import javax.ws.rs.client.ClientRequestContext;
 import javax.ws.rs.client.ClientResponseContext;
+import org.junit.Assume;
+import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnitRunner;
 
+@RunWith(MockitoJUnitRunner.Silent.class)
 public class JaxrsClientExtractorTest {
 
+  @Before
+  public void setUp() {
+    // Mockito in this test depends on some class that's only available on JDK 1.8:
+    // TypeDescription$Generic$AnnotationReader$Dispatcher$ForJava8CapableVm
+    Assume.assumeTrue(System.getProperty("java.version").startsWith("1.8"));
+  }
+
   @Test
   public void testExtraction() {
     URI uri = URI.create("https://myhost/resource");
diff --git a/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsClientFilterTest.java b/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsClientFilterTest.java
@@ -37,12 +37,24 @@
 import java.util.Map;
 import javax.ws.rs.client.ClientRequestContext;
 import javax.ws.rs.client.ClientResponseContext;
+import org.junit.Assume;
+import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnitRunner;
 
+@RunWith(MockitoJUnitRunner.Silent.class)
 public class JaxrsClientFilterTest {
 
   JaxrsClientFilter filter = new JaxrsClientFilter();
 
+  @Before
+  public void setUp() {
+    // Mockito in this test depends on some class that's only available on JDK 1.8:
+    // TypeDescription$Generic$AnnotationReader$Dispatcher$ForJava8CapableVm
+    Assume.assumeTrue(System.getProperty("java.version").startsWith("1.8"));
+  }
+
   @Test
   public void testRequestFilter() throws Exception {
     URI uri = URI.create("https://mydomain/myresource");
diff --git a/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsContainerExtractorTest.java b/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsContainerExtractorTest.java
@@ -28,10 +28,22 @@
 import javax.ws.rs.container.ContainerResponseContext;
 import javax.ws.rs.container.ResourceInfo;
 import javax.ws.rs.core.UriInfo;
+import org.junit.Assume;
+import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnitRunner;
 
+@RunWith(MockitoJUnitRunner.Silent.class)
 public class JaxrsContainerExtractorTest {
 
+  @Before
+  public void setUp() {
+    // Mockito in this test depends on some class that's only available on JDK 1.8:
+    // TypeDescription$Generic$AnnotationReader$Dispatcher$ForJava8CapableVm
+    Assume.assumeTrue(System.getProperty("java.version").startsWith("1.8"));
+  }
+
   @Test
   @SuppressWarnings("unchecked")
   public void testExtraction() throws Exception {
diff --git a/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsContainerFilterTest.java b/contrib/http_jaxrs/src/test/java/io/opencensus/contrib/http/jaxrs/JaxrsContainerFilterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.contrib.http.jaxrs;
 
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -33,19 +33,28 @@
 import javax.ws.rs.container.ContainerResponseContext;
 import javax.ws.rs.container.ResourceInfo;
 import javax.ws.rs.core.UriInfo;
+import org.junit.Assume;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
-@RunWith(MockitoJUnitRunner.class)
+@RunWith(MockitoJUnitRunner.Silent.class)
 public class JaxrsContainerFilterTest {
 
   @Mock ResourceInfo info;
 
   @InjectMocks JaxrsContainerFilter filter = new JaxrsContainerFilter();
 
+  @Before
+  public void setUp() {
+    // Mockito in this test depends on some class that's only available on JDK 1.8:
+    // TypeDescription$Generic$AnnotationReader$Dispatcher$ForJava8CapableVm
+    Assume.assumeTrue(System.getProperty("java.version").startsWith("1.8"));
+  }
+
   @Test
   public void testRequestFilter() throws Exception {
     UriInfo uriInfo = mock(UriInfo.class);
diff --git a/contrib/http_servlet/src/test/java/io/opencensus/contrib/http/servlet/OcHttpServletFilterTest.java b/contrib/http_servlet/src/test/java/io/opencensus/contrib/http/servlet/OcHttpServletFilterTest.java
@@ -22,7 +22,7 @@
 import static io.opencensus.contrib.http.servlet.OcHttpServletFilter.OC_PUBLIC_ENDPOINT;
 import static io.opencensus.contrib.http.servlet.OcHttpServletFilter.OC_TRACE_PROPAGATOR;
 import static io.opencensus.contrib.http.servlet.OcHttpServletUtil.CONTENT_LENGTH;
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.times;
diff --git a/contrib/http_servlet/src/test/java/io/opencensus/contrib/http/servlet/OcHttpServletListenerTest.java b/contrib/http_servlet/src/test/java/io/opencensus/contrib/http/servlet/OcHttpServletListenerTest.java
@@ -17,7 +17,7 @@
 package io.opencensus.contrib.http.servlet;
 
 import static io.opencensus.contrib.http.servlet.OcHttpServletUtil.CONTENT_LENGTH;
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
diff --git a/contrib/http_util/src/test/java/io/opencensus/contrib/http/AbstractHttpHandlerTest.java b/contrib/http_util/src/test/java/io/opencensus/contrib/http/AbstractHttpHandlerTest.java
@@ -17,8 +17,8 @@
 package io.opencensus.contrib.http;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
diff --git a/contrib/http_util/src/test/java/io/opencensus/contrib/http/HttpClientHandlerTest.java b/contrib/http_util/src/test/java/io/opencensus/contrib/http/HttpClientHandlerTest.java
@@ -17,8 +17,8 @@
 package io.opencensus.contrib.http;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
diff --git a/contrib/http_util/src/test/java/io/opencensus/contrib/http/HttpServerHandlerTest.java b/contrib/http_util/src/test/java/io/opencensus/contrib/http/HttpServerHandlerTest.java
@@ -17,8 +17,8 @@
 package io.opencensus.contrib.http;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
diff --git a/exporters/metrics/util/src/test/java/io/opencensus/exporter/metrics/util/MetricReaderTest.java b/exporters/metrics/util/src/test/java/io/opencensus/exporter/metrics/util/MetricReaderTest.java
@@ -17,7 +17,7 @@
 package io.opencensus.exporter.metrics.util;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
diff --git a/exporters/stats/signalfx/src/test/java/io/opencensus/exporter/stats/signalfx/SignalFxMetricExporterTest.java b/exporters/stats/signalfx/src/test/java/io/opencensus/exporter/stats/signalfx/SignalFxMetricExporterTest.java
@@ -43,7 +43,7 @@
 import org.mockito.Mock;
 import org.mockito.Mockito;
 import org.mockito.invocation.InvocationOnMock;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 import org.mockito.stubbing.Answer;
 
 /** Unit tests for {@link SignalFxMetricExporter}. */
diff --git a/exporters/stats/stackdriver/src/test/java/io/opencensus/exporter/stats/stackdriver/CreateMetricDescriptorExporterTest.java b/exporters/stats/stackdriver/src/test/java/io/opencensus/exporter/stats/stackdriver/CreateMetricDescriptorExporterTest.java
@@ -20,8 +20,8 @@
 import static io.opencensus.exporter.stats.stackdriver.StackdriverExportUtils.CUSTOM_OPENCENSUS_DOMAIN;
 import static io.opencensus.exporter.stats.stackdriver.StackdriverExportUtils.DEFAULT_CONSTANT_LABELS;
 import static io.opencensus.exporter.stats.stackdriver.StackdriverExportUtils.DEFAULT_DISPLAY_NAME_PREFIX;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.times;
diff --git a/exporters/stats/stackdriver/src/test/java/io/opencensus/exporter/stats/stackdriver/CreateTimeSeriesExporterTest.java b/exporters/stats/stackdriver/src/test/java/io/opencensus/exporter/stats/stackdriver/CreateTimeSeriesExporterTest.java
@@ -17,8 +17,8 @@
 package io.opencensus.exporter.stats.stackdriver;
 
 import static io.opencensus.exporter.stats.stackdriver.StackdriverExportUtils.DEFAULT_CONSTANT_LABELS;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
diff --git a/exporters/trace/instana/src/test/java/io/opencensus/exporter/trace/instana/InstanaTraceExporterTest.java b/exporters/trace/instana/src/test/java/io/opencensus/exporter/trace/instana/InstanaTraceExporterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.exporter.trace.instana;
 
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 
 import io.opencensus.trace.export.SpanExporter;
diff --git a/exporters/trace/jaeger/src/test/java/io/opencensus/exporter/trace/jaeger/JaegerExporterHandlerTest.java b/exporters/trace/jaeger/src/test/java/io/opencensus/exporter/trace/jaeger/JaegerExporterHandlerTest.java
@@ -20,7 +20,7 @@
 import static io.opencensus.exporter.trace.jaeger.JaegerExporterConfiguration.DEFAULT_DEADLINE;
 import static java.util.Collections.singletonList;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
@@ -53,7 +53,7 @@
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 @RunWith(MockitoJUnitRunner.class)
 public class JaegerExporterHandlerTest {
diff --git a/exporters/trace/jaeger/src/test/java/io/opencensus/exporter/trace/jaeger/JaegerTraceExporterTest.java b/exporters/trace/jaeger/src/test/java/io/opencensus/exporter/trace/jaeger/JaegerTraceExporterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.exporter.trace.jaeger;
 
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 
 import io.opencensus.trace.export.SpanExporter;
diff --git a/exporters/trace/logging/src/test/java/io/opencensus/exporter/trace/logging/LoggingTraceExporterTest.java b/exporters/trace/logging/src/test/java/io/opencensus/exporter/trace/logging/LoggingTraceExporterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.exporter.trace.logging;
 
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.verify;
 
 import io.opencensus.exporter.trace.logging.LoggingTraceExporter.LoggingExporterHandler;
diff --git a/exporters/trace/ocagent/src/test/java/io/opencensus/exporter/trace/ocagent/OcAgentTraceExporterTest.java b/exporters/trace/ocagent/src/test/java/io/opencensus/exporter/trace/ocagent/OcAgentTraceExporterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.exporter.trace.ocagent;
 
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.verify;
 
 import io.opencensus.trace.export.SpanExporter;
@@ -45,8 +45,7 @@ public void registerUnregisterOcAgentTraceExporter() {
     OcAgentTraceExporter.register(spanExporter, handler);
     verify(spanExporter)
         .registerHandler(
-            eq("io.opencensus.exporter.trace.ocagent.OcAgentTraceExporter"),
-            any(OcAgentTraceExporterHandler.class));
+            eq("io.opencensus.exporter.trace.ocagent.OcAgentTraceExporter"), any(Handler.class));
     OcAgentTraceExporter.unregister(spanExporter);
     verify(spanExporter)
         .unregisterHandler(eq("io.opencensus.exporter.trace.ocagent.OcAgentTraceExporter"));
diff --git a/exporters/trace/ocagent/src/test/java/io/opencensus/exporter/trace/ocagent/OcAgentTraceServiceRpcHandlersTest.java b/exporters/trace/ocagent/src/test/java/io/opencensus/exporter/trace/ocagent/OcAgentTraceServiceRpcHandlersTest.java
@@ -17,7 +17,7 @@
 package io.opencensus.exporter.trace.ocagent;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
diff --git a/exporters/trace/stackdriver/src/test/java/io/opencensus/exporter/trace/stackdriver/StackdriverTraceExporterTest.java b/exporters/trace/stackdriver/src/test/java/io/opencensus/exporter/trace/stackdriver/StackdriverTraceExporterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.exporter.trace.stackdriver;
 
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 
 import io.opencensus.trace.export.SpanExporter;
diff --git a/exporters/trace/zipkin/src/test/java/io/opencensus/exporter/trace/zipkin/ZipkinTraceExporterTest.java b/exporters/trace/zipkin/src/test/java/io/opencensus/exporter/trace/zipkin/ZipkinTraceExporterTest.java
@@ -16,8 +16,8 @@
 
 package io.opencensus.exporter.trace.zipkin;
 
-import static org.mockito.Matchers.eq;
-import static org.mockito.Matchers.same;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.verify;
 
 import io.opencensus.trace.export.SpanExporter;
diff --git a/impl_core/src/test/java/io/opencensus/implcore/trace/export/SpanExporterImplTest.java b/impl_core/src/test/java/io/opencensus/implcore/trace/export/SpanExporterImplTest.java
