This one actually occurs in all PR builds atm.:

2020-04-27 19:34:39,160 ERROR EventProcessingFailureHandlingIT||test Error while initiating test database [io.debezium.connector.sqlserver.util.TestHelper]
com.microsoft.sqlserver.jdbc.SQLServerException: Cannot drop database "testDB" because it is currently in use.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:262)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1621)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.doExecuteStatement(SQLServerStatement.java:868)
at com.microsoft.sqlserver.jdbc.SQLServerStatement$StmtExecCmd.doExecute(SQLServerStatement.java:768)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7194)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2935)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:248)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:223)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.execute(SQLServerStatement.java:744)
at io.debezium.jdbc.JdbcConnection.lambda$execute$2(JdbcConnection.java:349)
at io.debezium.jdbc.JdbcConnection.execute(JdbcConnection.java:366)
at io.debezium.jdbc.JdbcConnection.execute(JdbcConnection.java:343)
at io.debezium.connector.sqlserver.util.TestHelper.createTestDatabase(TestHelper.java:118)
at io.debezium.connector.sqlserver.EventProcessingFailureHandlingIT.before(EventProcessingFailureHandlingIT.java:40)

Would it help to retry the DROP DATABASE using Awaitility? Locally this one runs fine.