BAEL-1075 (#2497)

* Adding test cases for "how to delete a directory"

* Removing .gitignore from Empty folder

* Adding .gitignore to Empty folder

* Updated method names and removed unnecessary imports

* Removed toBedeleted folder from src/test/resources. Updated the test
case to create the directory on the fly using a temporary location

core-java/pom.xml

@@ -162,6 +162,12 @@
             <version>${avaitility.version}</version>
             <scope>test</scope>
         </dependency>
+		<dependency>
+		    <groupId>org.springframework</groupId>
+		    <artifactId>spring-core</artifactId>
+		    <version>${spring-core.version}</version>
+		    <scope>test</scope>
+		</dependency>
 
         <dependency>
             <groupId>commons-codec</groupId>
@@ -439,6 +445,7 @@
         <mockito.version>2.8.9</mockito.version>
         <assertj.version>3.6.1</assertj.version>
         <avaitility.version>1.7.0</avaitility.version>
+        <spring-core.version>4.3.10.RELEASE</spring-core.version>
 
 
         <!-- maven plugins -->