Test task intermittently fails with "Could not find matching test for pattern"

Gradle 2.3: we use the -Dtest.single argument and run the task on TeamCity. In about 30% of cases, the task fails with:
> Could not find matching test for pattern: C2PSeleniumSendingSiteTests
[17:23:52]
[17:23:52]* Try:
[17:23:52]Run with --info or --debug option to get more log output.
[17:23:52]
[17:23:52]* Exception is:
[17:23:52]org.gradle.api.tasks.TaskExecutionException: Execution failed for task ‘:test’.
[17:23:52] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)
[17:23:52] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
[17:23:52] at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
[17:23:52] at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
[17:23:52] at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
[17:23:52] at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42)
[17:23:52] at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
[17:23:52] at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
[17:23:52] at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
[17:23:52] at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:306)
[17:23:52] at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79)
[17:23:52] at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63)
[17:23:52] at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51)
[17:23:52] at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:23)
[17:23:52] at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:88)
[17:23:52] at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:29)
[17:23:52] at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
[17:23:52] at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
[17:23:52] at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:68)
[17:23:52] at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
[17:23:52] at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
[17:23:52] at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:55)
[17:23:52] at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:149)
[17:23:52] at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:106)
[17:23:52] at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)
[17:23:52] at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:80)
[17:23:52] at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33)
[17:23:52] at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24)
[17:23:52] at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:36)
[17:23:52] at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26)
[17:23:52] at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:51)
[17:23:52] at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:169)
[17:23:52] at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)
[17:23:52] at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)
[17:23:52] at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)
[17:23:52] at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
[17:23:52] at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)
[17:23:52] at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
[17:23:52] at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
[17:23:52] at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
[17:23:52] at org.gradle.launcher.Main.doAction(Main.java:33)
[17:23:52] at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
[17:23:52] at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)
[17:23:52] at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)
[17:23:52] at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
[17:23:52] at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30)
[17:23:52] at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127)
[17:23:52] at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:55)
[17:23:52]Caused by: org.gradle.api.GradleException: Could not find matching test for pattern: C2PSeleniumSendingSiteTests
[17:23:52] at org.gradle.api.internal.tasks.testing.NoMatchingTestsReporter.afterSuite(NoMatchingTestsReporter.java:35)
[17:23:52] at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
[17:23:52] at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
[17:23:52] at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:83)
[17:23:52] at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:31)
[17:23:52] at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
[17:23:52] at com.sun.proxy.$Proxy35.afterSuite(Unknown Source)
[17:23:52] at org.gradle.api.internal.tasks.testing.results.TestListenerAdapter.completed(TestListenerAdapter.java:46)
[17:23:52] at org.gradle.api.internal.tasks.testing.results.StateTrackingTestResultProcessor.completed(StateTrackingTestResultProcessor.java:65)
[17:23:52] at org.gradle.api.internal.tasks.testing.results.AttachParentTestResultProcessor.completed(AttachParentTestResultProcessor.java:52)
[17:23:52] at org.gradle.api.internal.tasks.testing.processors.TestMainAction.run(TestMainAction.java:48)
[17:23:52] at org.gradle.api.internal.tasks.testing.detection.DefaultTestExecuter.execute(DefaultTestExecuter.java:75)
[17:23:52] at org.gradle.api.tasks.testing.Test.executeTests(Test.java:510)
[17:23:52] at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:63)
[17:23:52] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:218)
[17:23:52] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:211)
[17:23:52] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:200)
[17:23:52] at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:585)
[17:23:52] at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:568)
[17:23:52] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
[17:23:52] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
[17:23:52] … 47 more

What could be the cause?

Hi Vladimir,

Considering you other post, I assume that you already tried to replace -Dtest.single with --tests? Please provide a bit more information. (See my comment there.)