Does anyone know what is the root cause of my test `Behavior kotlinlang #kotest

Does anyone know what is the root cause of my test...

Shervin

09/17/2025, 3:03 PM

Does anyone know what is the root cause of my test (

BehaviorSpec

), not running, when

kotest-extensions-roboelectric

dependency is added to the module ? Im using 6.0.3 and 0.5.0 versions respectively. I get the following error:

'io.kotest.engine.tags.TagExpression io.kotest.core.extensions.TagExtension.tags()'

java.lang.NoSuchMethodError: 'io.kotest.engine.tags.TagExpression io.kotest.core.extensions.TagExtension.tags()'

at io.kotest.engine.tags.TagExpressionBuilder.build(runtime.kt:15)

at io.kotest.engine.spec.interceptor.ref.enabled.TagsInterceptor.intercept-0E7RQCE(TagsInterceptor.kt:28)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.ref.DescriptorFilterSpecRefInterceptor.intercept-0E7RQCE(DescriptorFilterSpecRefInterceptor.kt:41)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.ref.ApplyExtensionsInterceptor.intercept-0E7RQCE(ApplyExtensionsInterceptor.kt:36)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.ref.enabled.IgnoredSpecInterceptor.intercept-0E7RQCE(IgnoredSpecInterceptor.kt:47)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.ref.enabled.DisabledIfInterceptor.intercept-0E7RQCE(DisabledIfInterceptor.kt:46)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.ref.enabled.EnabledIfInterceptor.intercept-0E7RQCE(EnabledIfInterceptor.kt:41)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.ref.enabled.RequiresPlatformInterceptor.intercept-0E7RQCE(RequiresPlatformInterceptor.kt:25)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.ClassVisibilitySpecRefInterceptor.intercept-0E7RQCE(ClassVisibilitySpecRefInterceptor.kt:29)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline$execute$3$1.invoke-gIAlu-s(SpecRefInterceptorPipeline.kt:49)

at io.kotest.engine.spec.interceptor.SpecRefInterceptorPipeline.execute-0E7RQCE(SpecRefInterceptorPipeline.kt:52)

at io.kotest.engine.spec.execution.SpecRefExecutor.execute(SpecRefExecutor.kt:45)

at io.kotest.engine.TestSuiteScheduler.executeIfNotFailedFast(TestSuiteScheduler.kt:97)

at io.kotest.engine.TestSuiteScheduler.access$executeIfNotFailedFast(TestSuiteScheduler.kt:29)

at io.kotest.engine.TestSuiteScheduler$schedule$11$1$2.invokeSuspend(TestSuiteScheduler.kt:77)

at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)

at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)

at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)

at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)

at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)

at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)

at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(Builders.kt:48)

at kotlinx.coroutines.BuildersKt.runBlocking$default(Unknown Source)

at io.kotest.engine.RunBlocking_jvmKt.runBlocking(runBlocking.jvm.kt:3)

at io.kotest.engine.TestEngineLauncher.launch(TestEngineLauncher.kt:206)

at io.kotest.runner.junit.platform.KotestJunitPlatformTestEngine.execute(KotestJunitPlatformTestEngine.kt:74)

at io.kotest.runner.junit.platform.KotestJunitPlatformTestEngine.execute(KotestJunitPlatformTestEngine.kt:47)

sam

09/18/2025, 12:05 AM

It looks like you have a previous version f kotest sneaking into the classpath somewhere

Shervin

09/18/2025, 8:18 AM

could it be that

kotest-extensions-roboelectric

needs an update for v6 ?

sam

09/18/2025, 8:23 AM

Ah yes that'll be it

Shervin

09/18/2025, 8:26 AM

Shervin

09/18/2025, 8:27 AM

not sure if there will be any breaking change if we update to 6.0.3 there

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