写了一个单元测试test来启动activiti，controller放在src/main/java根目录下，test对应也放在src/test/java下，结果报错：
1 java.lang.IllegalStateException: Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=...) with your test 2 at org.springframework.util.Assert.state(Assert.java:70) 3 at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.getOrFindConfigurationClasses(SpringBootTestContextBootstrapper.java:202) 4 at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.processMergedContextConfiguration(SpringBootTestContextBootstrapper.java:137) 5 at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildMergedContextConfiguration(AbstractTestContextBootstrapper.java:409) 6 at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildDefaultMergedContextConfiguration(AbstractTestContextBootstrapper.java:323) 7 at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildMergedContextConfiguration(AbstractTestContextBootstrapper.java:277) 8 at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildTestContext(AbstractTestContextBootstrapper.java:112) 9 at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.buildTestContext(SpringBootTestContextBootstrapper.java:82) 10 at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:120) 11 at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:105) 12 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTestContextManager(SpringJUnit4ClassRunner.java:152) 13 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.<init>(SpringJUnit4ClassRunner.java:143) 14 at org.springframework.test.context.junit4.SpringRunner.<init>(SpringRunner.java:49) 15 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 16 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) 17 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) 18 at java.lang.reflect.Constructor.newInstance(Unknown Source) 19 at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104) 20 at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86) 21 at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59) 22 at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26) 23 at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59) 24 at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33) 25 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createUnfilteredTest(JUnit4TestLoader.java:87) 26 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:73) 27 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:46) 28 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:523) 29 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:761) 30 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:461) 31 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:207)
原因：Application.java中的main方法和启动有关，我们写的类必须放在Application.java同一级或者比它更里层的目录。
正确的做法 如图：
Application.java的目录是：“a/Application.java”，那么myActiviti目录必须也放到“a”目录下。
报错的原因是：我把myActiviti放到“src/main/java”下了