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org.hsqldb.HsqlException: Invalid argument in JDBC call: url: null	at org.hsqldb.error.Error.error(Unknown Source)	at org.hsqldb.error.Error.error(Unknown Source)	at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source)	at org.hsqldb.jdbc.JDBCUtil.nullArgument(Unknown Source)	at org.hsqldb.jdbc.JDBCDataSource.getConnection(Unknown Source)	at com.zaxxer.hikari.pool.BaseHikariPool.addConnection(BaseHikariPool.java:444)	at com.zaxxer.hikari.pool.BaseHikariPool.initializeConnections(BaseHikariPool.java:548)	at com.zaxxer.hikari.pool.BaseHikariPool.(BaseHikariPool.java:172)	at com.zaxxer.hikari.pool.HikariPool.(HikariPool.java:60)	at com.zaxxer.hikari.pool.HikariPool.(HikariPool.java:48)	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:104)	at org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfigurationTests.hikariCanConfigureDataSourceClassName(DataSourceAutoConfigurationTests.java:199)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)	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.runLeaf(ParentRunner.java:325)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:262)	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)