junit.framework.ComparisonFailure: expected:<sessionId[z]> but was:<sessionId[]>
	at junit.framework.Assert.assertEquals(Assert.java:100)
	at junit.framework.Assert.assertEquals(Assert.java:107)
	at com.google.firebase.perf.session.PerfSessionTest.testPerfSessionConversion(PerfSessionTest.java:146)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.robolectric.RobolectricTestRunner$HelperTestRunner$1.evaluate(RobolectricTestRunner.java:489)
	at org.robolectric.internal.SandboxTestRunner$2.lambda$evaluate$2(SandboxTestRunner.java:290)
	at org.robolectric.internal.bytecode.Sandbox.lambda$runOnMainThread$0(Sandbox.java:104)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)

junit.framework.ComparisonFailure: expected:<sessionId[z]> but was:<sessionId[]>
	at junit.framework.Assert.assertEquals(Assert.java:100)
	at junit.framework.Assert.assertEquals(Assert.java:107)
	at com.google.firebase.perf.session.PerfSessionTest.testPerfSessionConversionWithoutVerbosity(PerfSessionTest.java:156)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.robolectric.RobolectricTestRunner$HelperTestRunner$1.evaluate(RobolectricTestRunner.java:489)
	at org.robolectric.internal.SandboxTestRunner$2.lambda$evaluate$2(SandboxTestRunner.java:290)
	at org.robolectric.internal.bytecode.Sandbox.lambda$runOnMainThread$0(Sandbox.java:104)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)

value of: sessionId()
expected: sessionId
but was : sessionIdz
	at com.google.firebase.perf.session.SessionManagerTest.testSessionIdDoesNotUpdateIfPerfSessionRunsTooLong(SessionManagerTest.java:276)

Argument(s) are different! Wanted:
mockGaugeManager.logGaugeMetadata(
    "testSessionId2",
    <any>
);
-> at com.google.firebase.perf.session.gauges.GaugeManager.logGaugeMetadata(GaugeManager.java:259)
Actual invocations have different arguments at position [0]:
mockGaugeManager.logGaugeMetadata(
    "testSessionId2z",
    null
);
-> at com.google.firebase.perf.session.SessionManager.logGaugeMetadataIfCollectionEnabled(SessionManager.java:211)
mockGaugeManager.startCollectingGauges(
    com.google.firebase.perf.session.PerfSession@7efa8920,
    null
);
-> at com.google.firebase.perf.session.SessionManager.startOrStopCollectingGauges(SessionManager.java:217)

	at com.google.firebase.perf.session.gauges.GaugeManager.logGaugeMetadata(GaugeManager.java:259)
	at com.google.firebase.perf.session.SessionManagerTest.testGaugeMetadataIsFlushedOnlyWhenNewVerboseSessionIsCreated(SessionManagerTest.java:253)
	at [email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at [email protected]/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at [email protected]/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at [email protected]/java.lang.reflect.Method.invoke(Method.java:569)
	at app//org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at app//org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at app//org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at app//org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at app//org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at app//org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at app//org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at app//org.robolectric.RobolectricTestRunner$HelperTestRunner$1.evaluate(RobolectricTestRunner.java:489)
	at app//org.robolectric.internal.SandboxTestRunner$2.lambda$evaluate$2(SandboxTestRunner.java:290)
	at app//org.robolectric.internal.bytecode.Sandbox.lambda$runOnMainThread$0(Sandbox.java:104)
	at [email protected]/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at [email protected]/java.lang.Thread.run(Thread.java:840)

value of: getSessionId()
expected: sessionId
but was : sessionIdz
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.assertThatCpuGaugeMetricWasSentToTransport(GaugeManagerTest.java:756)
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.testStopCollectingGaugesCreatesOneLastJobToConsumeAnyPendingMetrics(GaugeManagerTest.java:428)

value of: getSessionId()
expected: sessionId
but was : sessionIdz
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.assertThatCpuGaugeMetricWasSentToTransport(GaugeManagerTest.java:756)
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.testStartGaugeManagerWithSameSessionIdButDifferentAppState(GaugeManagerTest.java:539)

value of: getSessionId()
expected: sessionId
but was : sessionIdz
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.assertThatCpuGaugeMetricWasSentToTransport(GaugeManagerTest.java:756)
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.testStartCollectingGaugesStartsAJobToConsumeTheGeneratedMetrics(GaugeManagerTest.java:385)

value of: getSessionId()
expected: sessionId
but was : sessionIdz
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.assertThatCpuGaugeMetricWasSentToTransport(GaugeManagerTest.java:756)
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.testStartGaugeManagerWithNewSessionIdAndNewAppState(GaugeManagerTest.java:595)

value of: getSessionId()
expected: sessionId
but was : sessionIdz
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.assertThatCpuGaugeMetricWasSentToTransport(GaugeManagerTest.java:756)
	at com.google.firebase.perf.session.gauges.GaugeManagerTest.testStartingGaugeManagerWithNewSessionIdButSameAppState(GaugeManagerTest.java:481)