在SpringBoot项目中，发生

java.lang.IllegalStateException: Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=...) with your test  	at org.springframework.util.Assert.state(Assert.java:76) 	at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.getOrFindConfigurationClasses(SpringBootTestContextBootstrapper.java:236) 	at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.processMergedContextConfiguration(SpringBootTestContextBootstrapper.java:152) 	at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildMergedContextConfiguration(AbstractTestContextBootstrapper.java:392) 	at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildDefaultMergedContextConfiguration(AbstractTestContextBootstrapper.java:309) 	at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildMergedContextConfiguration(AbstractTestContextBootstrapper.java:262) 	at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildTestContext(AbstractTestContextBootstrapper.java:107) 	at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.buildTestContext(SpringBootTestContextBootstrapper.java:102) 	at org.springframework.test.context.TestContextManager.(TestContextManager.java:137) 	at org.springframework.test.context.TestContextManager.(TestContextManager.java:122) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore.lambda$getOrComputeIfAbsent$4(ExtensionValuesStore.java:86) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore$MemoizingSupplier.computeValue(ExtensionValuesStore.java:223) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore$MemoizingSupplier.get(ExtensionValuesStore.java:211) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore$StoredValue.evaluate(ExtensionValuesStore.java:191) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore$StoredValue.access$100(ExtensionValuesStore.java:171) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore.getOrComputeIfAbsent(ExtensionValuesStore.java:89) 	at org.junit.jupiter.engine.execution.ExtensionValuesStore.getOrComputeIfAbsent(ExtensionValuesStore.java:93) 	at org.junit.jupiter.engine.execution.NamespaceAwareStore.getOrComputeIfAbsent(NamespaceAwareStore.java:61) 	at org.springframework.test.context.junit.jupiter.SpringExtension.getTestContextManager(SpringExtension.java:294) 	at org.springframework.test.context.junit.jupiter.SpringExtension.beforeAll(SpringExtension.java:113) 	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeBeforeAllCallbacks$8(ClassBasedTestDescriptor.java:368) 	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) 	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeBeforeAllCallbacks(ClassBasedTestDescriptor.java:368) 	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.before(ClassBasedTestDescriptor.java:192) 	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.before(ClassBasedTestDescriptor.java:78) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:136) 	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129) 	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127) 	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84) 	at java.util.ArrayList.forEach(ArrayList.java:1259) 	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143) 	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129) 	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127) 	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126) 	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84) 	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32) 	at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) 	at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51) 	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:108) 	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) 	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) 	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) 	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) 	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96) 	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75) 	at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71) 	at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) 	at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221) 	at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)   Process finished with exit code -1 

这个错误，看一下我的包结构

报错原因：

我的TestWxConfig包启动的时候会报这个错误。是因为这个处在了根目录下（即test包下的java包下）。

解决方法：

 将TestWxConfig这个文件移到yzhaun包下重新启动就不报错了。