DATACASS-331 - Polishing.

Fix logger dependency. Fix flakey async test.

spring-cql/pom.xml

@@ -87,6 +87,10 @@
 					<artifactId>slf4j-log4j12</artifactId>
 					<groupId>org.slf4j</groupId>
 				</exclusion>
+				<exclusion>
+					<groupId>ch.qos.logback</groupId>
+					<artifactId>logback-core</artifactId>
+				</exclusion>
 				<exclusion>
 					<artifactId>guava</artifactId>
 					<groupId>com.google.guava</groupId>

spring-cql/src/test/java/org/springframework/cassandra/test/integration/core/template/async/AsynchronousTest.java

@@ -82,6 +82,8 @@ public class AsynchronousTest extends AbstractAsynchronousTest {
 		Book[] books = new Book[n];
 		for (int i = 0; i < n; i++) {
 			Book b = books[i] = Book.random();
+			b.isbn = "i- " + i;
+			b.title = "t- " + i;
 			t.execute(String.format("insert into %s (isbn, title) values ('%s', '%s')", TABLE, b.isbn, b.title));
 		}
 		return books;

spring-cql/src/test/resources/logback-test.xml

@@ -10,7 +10,7 @@
 	</appender>
 
 	<logger name="org.springframework" level="error" />
-	<logger name="org.springframework.cassandra" level="DEBUG" />
+	<logger name="org.springframework.cassandra" level="error" />
 	<logger name="com.datastax" level="error" />
 
 	<root level="error">

spring-data-cassandra/pom.xml

@@ -99,6 +99,10 @@
 					<artifactId>guava</artifactId>
 					<groupId>com.google.guava</groupId>
 				</exclusion>
+				<exclusion>
+					<groupId>ch.qos.logback</groupId>
+					<artifactId>logback-core</artifactId>
+				</exclusion>
 				<exclusion>
 					<groupId>io.netty</groupId>
 					<artifactId>netty-all</artifactId>