Feature/bael 5040 cassandra testcontainers (#11124)

* BAEL-5040: initial commit - spring data cassandra using boot-2

* BAEL-5040: update test example

* BAEL-5040: add brackets

* BAEL-5040: use singleton container

* BAEL-5040: switch from singleton to nested classes approach

* BAEL-5040: package private methods in junit5

* BAEL-5040: Move SpringBootTest annotation to parent class

persistence-modules/spring-data-cassandra-2/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/