diff --git a/bin/common.sh b/bin/common.sh
index 30cda1c9a9a..a61edcfb064 100755
--- a/bin/common.sh
+++ b/bin/common.sh
@@ -61,7 +61,6 @@ else
   JAVA=${JAVA_HOME}/bin/java
 fi
 
-PROJECT_TARGET_DIR=${PROJECT_TARGET_DIR:-build}
 BINDIR=${BK_BINDIR:-"`dirname "$0"`"}
 BK_HOME=${BK_HOME:-"`cd ${BINDIR}/..;pwd`"}
 BK_CONFDIR=${BK_HOME}/conf
@@ -197,7 +196,7 @@ find_module_jar() {
   fi
 
   if [ -z "${MODULE_JAR}" ]; then
-    BUILT_JAR=$(find_module_jar_at ${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR} ${MODULE_NAME})
+    BUILT_JAR=$(find_module_jar_at ${BK_HOME}/${MODULE_PATH}/target ${MODULE_NAME})
     if [ -z "${BUILT_JAR}" ]; then
       echo "Couldn't find module '${MODULE_NAME}' jar." >&2
       read -p "Do you want me to run \`mvn package -DskipTests\` for you ? (y|n) " answer
@@ -213,7 +212,7 @@ find_module_jar() {
           ;;
       esac
 
-      BUILT_JAR=$(find_module_jar_at ${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR} ${MODULE_NAME})
+      BUILT_JAR=$(find_module_jar_at ${BK_HOME}/${MODULE_PATH}/target ${MODULE_NAME})
     fi
     if [ -n "${BUILT_JAR}" ]; then
       MODULE_JAR=${BUILT_JAR}
@@ -238,12 +237,13 @@ add_maven_deps_to_classpath() {
   # Need to generate classpath from maven pom. This is costly so generate it
   # and cache it. Save the file into our target dir so a mvn clean will get
   # clean it up and force us create a new one.
-  f="${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR}/cached_classpath.txt"
-  output="${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR}/build_classpath.out"
+  f="${BK_HOME}/${MODULE_PATH}/target/cached_classpath.txt"
+  output="${BK_HOME}/${MODULE_PATH}/target/build_classpath.out"
+
   if [ ! -f ${f} ]; then
     echo "the classpath of module '${MODULE_PATH}' is not found, generating it ..." >&2
     echo "see output at ${output} for the progress ..." >&2
-    ${MVN} -f "${BK_HOME}/${MODULE_PATH}/pom.xml" dependency:build-classpath -Dmdep.outputFile="${PROJECT_TARGET_DIR}/cached_classpath.txt" &> ${output}
+    ${MVN} -f "${BK_HOME}/${MODULE_PATH}/pom.xml" dependency:build-classpath -Dmdep.outputFile="target/cached_classpath.txt" &> ${output}
     echo "the classpath of module '${MODULE_PATH}' is generated at '${f}'." >&2
   fi
 }
@@ -258,7 +258,7 @@ set_module_classpath() {
     echo ${BK_CLASSPATH}
   else
     add_maven_deps_to_classpath ${MODULE_PATH} >&2
-    cat ${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR}/cached_classpath.txt
+    cat ${BK_HOME}/${MODULE_PATH}/target/cached_classpath.txt
   fi
   return
 }
diff --git a/bin/common_gradle.sh b/bin/common_gradle.sh
index 9910d8c344a..2c873fe319d 100755
--- a/bin/common_gradle.sh
+++ b/bin/common_gradle.sh
@@ -155,7 +155,7 @@ is_released_binary() {
 find_module_jar_at() {
   DIR=$1
   MODULE=$2
-  REGEX="^${MODULE}.jar$"
+  REGEX="^${MODULE}-[0-9\\.]*((-[a-zA-Z]*(-[0-9]*)?)|(-SNAPSHOT))?.jar$"
   if [ -d ${DIR} ]; then
     cd ${DIR}
     for f in *.jar; do
@@ -213,21 +213,16 @@ find_module_jar() {
     echo "Could not find module '${MODULE_JAR}' jar." >&2
     exit 1
   fi
-  ##echo ${MODULE_JAR}
+  echo "${MODULE_JAR}"
   return
 }
 
 add_maven_deps_to_classpath() {
   MODULE_PATH=$1
-  MVN="mvn"
-  if [ "$MAVEN_HOME" != "" ]; then
-    MVN=${MAVEN_HOME}/bin/mvn
-  fi
-
   # Need to generate classpath from maven pom. This is costly so generate it
   # and cache it. Save the file into our target dir so a mvn clean will get
   # clean it up and force us create a new one.
-  f="${BK_HOME}/${MODULE_PATH}/build/classpath.txt"
+  f="${BK_HOME}/${MODULE_PATH}/build/cached_classpath.txt"
   if [ ! -f ${f} ]; then
     echo "the classpath of module '${MODULE_PATH}' is not found, generating it ..." >&2
     ${BK_HOME}/gradlew ${MODULE_PATH}:jar
@@ -245,7 +240,7 @@ set_module_classpath() {
     echo ${BK_CLASSPATH}
   else
     add_maven_deps_to_classpath ${MODULE_PATH} >&2
-    cat ${BK_HOME}/${MODULE_PATH}/build/classpath.txt
+    cat ${BK_HOME}/${MODULE_PATH}/build/cached_classpath.txt
   fi
   return
 }
diff --git a/tests/backward-compat/build.gradle b/tests/backward-compat/build.gradle
index 863c12fd690..c64d49171e9 100644
--- a/tests/backward-compat/build.gradle
+++ b/tests/backward-compat/build.gradle
@@ -30,7 +30,6 @@ subprojects {
     apply plugin: 'groovy'
     apply plugin: 'com.adarshr.test-logger'
 
-
     dependencies {
         testImplementation 'org.codehaus.groovy:groovy-all:2.4.15'
         testImplementation project(":tests:integration-tests-utils")
diff --git a/tests/scripts/build.gradle b/tests/scripts/build.gradle
index ef1fe0243e6..5f67058f191 100644
--- a/tests/scripts/build.gradle
+++ b/tests/scripts/build.gradle
@@ -31,13 +31,13 @@ task downloadShunit2(type: Download) {
 
 task extractShunit2(dependsOn: downloadShunit2, type: Copy) {
     from zipTree(downloadShunit2.dest)
-    into new File(buildDir, "lib")
+    into new File(buildDir, "libs/lib")
 }
 
 task executeShTests(dependsOn: extractShunit2, type: Exec) {
 
     workingDir "src/test/bash"
     commandLine "./bk_test.sh"
-    args "build"
+    args "-e PROJECT_BUILD_SYSTEM=gradle"
 }
 tasks.test.dependsOn("executeShTests")
diff --git a/tests/scripts/src/test/bash/bk_test.sh b/tests/scripts/src/test/bash/bk_test.sh
index 20ee97d4c46..3c7b02e6fe1 100755
--- a/tests/scripts/src/test/bash/bk_test.sh
+++ b/tests/scripts/src/test/bash/bk_test.sh
@@ -21,7 +21,6 @@
 # */
 
 ARGV0=`basename "$0"`
-export PROJECT_TARGET_DIR="build"
 PREFIX="bk_test_"
 SHELLS="/bin/sh /bin/bash"
 
diff --git a/tests/scripts/src/test/bash/bk_test_bin_common.sh b/tests/scripts/src/test/bash/bk_test_bin_common.sh
index 18e898c74bc..c0fc934e7c7 100644
--- a/tests/scripts/src/test/bash/bk_test_bin_common.sh
+++ b/tests/scripts/src/test/bash/bk_test_bin_common.sh
@@ -19,6 +19,16 @@
 # * See the License for the specific language governing permissions and
 # * limitations under the License.
 # */
+PROJECT_BUILD_SYSTEM=${PROJECT_BUILD_SYSTEM:-maven}
+if [[ $PROJECT_BUILD_SYSTEM == "gradle" ]]; then
+  PROJECT_TARGET_DIR=build/libs
+  TEST_CLASSPATH_DIR=build
+  BK_COMMON_EXEC=common_gradle.sh
+else
+  PROJECT_TARGET_DIR=target
+  TEST_CLASSPATH_DIR=target
+  BK_COMMON_EXEC=common.sh
+fi
 
 # load test helpers
 . ./bk_test_helpers
@@ -28,7 +38,7 @@
 #
 
 testDefaultVariables() {
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
   assertEquals "BINDIR is not set correctly" "${BK_BINDIR}" "${BINDIR}"
   assertEquals "BK_HOME is not set correctly" "${BK_HOMEDIR}" "${BK_HOME}"
   assertEquals "DEFAULT_LOG_CONF is not set correctly" "${BK_CONFDIR}/log4j.properties" "${DEFAULT_LOG_CONF}"
@@ -49,7 +59,7 @@ testDefaultVariables() {
 }
 
 testFindModuleJarAt() {
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   MODULE="test-module"
 
@@ -114,7 +124,7 @@ testFindModuleJar() {
   echo "" > ${BK_HOME}/conf/bkenv.sh
   echo "" > ${BK_HOME}/conf/bk_cli_env.sh
 
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   MODULE="test-module"
   MODULE_PATH="testmodule"
@@ -159,8 +169,8 @@ testLoadEnvfiles() {
   echo "BOOKIE_MAX_HEAP_MEMORY=2048M" > ${BK_HOME}/conf/bkenv.sh
   echo "CLI_MAX_HEAP_MEMORY=2048M" > ${BK_HOME}/conf/bk_cli_env.sh
 
-  # load the common.sh
-  source ${BK_BINDIR}/common.sh
+  # load the ${BK_COMMON_EXEC}
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   assertEquals "NETTY_LEAK_DETECTION_LEVEL is not set correctly" "enabled" "${NETTY_LEAK_DETECTION_LEVEL}"
   assertEquals "BOOKIE_MAX_HEAP_MEMORY is not set correctly" "2048M" "${BOOKIE_MAX_HEAP_MEMORY}"
@@ -183,19 +193,19 @@ testSetModuleClasspath() {
   echo "" > ${BK_HOME}/conf/bkenv.sh
   echo "" > ${BK_HOME}/conf/bk_cli_env.sh
 
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   MODULE_PATH="testmodule"
 
-  mkdir -p ${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR}
-  echo "test-classpath" > ${BK_HOME}/${MODULE_PATH}/${PROJECT_TARGET_DIR}/cached_classpath.txt
+  mkdir -p ${BK_HOME}/${MODULE_PATH}/${TEST_CLASSPATH_DIR}
+  echo "test-classpath" > ${BK_HOME}/${MODULE_PATH}/${TEST_CLASSPATH_DIR}/cached_classpath.txt
 
   local result=$(set_module_classpath ${MODULE_PATH})
   assertEquals "test-classpath" ${result}
 }
 
 testBuildBookieJVMOpts() {
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   TEST_LOG_DIR=${BK_TMPDIR}/logdir
   TEST_GC_LOG_FILENAME="test-gc.log"
@@ -210,7 +220,7 @@ testBuildBookieJVMOpts() {
 }
 
 testBuildCLIJVMOpts() {
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   TEST_LOG_DIR=${BK_TMPDIR}/logdir
   TEST_GC_LOG_FILENAME="test-gc.log"
@@ -225,7 +235,7 @@ testBuildCLIJVMOpts() {
 }
 
 testBuildNettyOpts() {
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   ACTUAL_NETTY_OPTS=$(build_netty_opts)
   EXPECTED_NETTY_OPTS="-Dio.netty.leakDetectionLevel=disabled \
@@ -236,7 +246,7 @@ testBuildNettyOpts() {
 }
 
 testBuildBookieOpts() {
-  source ${BK_BINDIR}/common.sh
+  source ${BK_BINDIR}/${BK_COMMON_EXEC}
 
   ACTUAL_OPTS=$(build_bookie_opts)
   EXPECTED_OPTS="-Djava.net.preferIPv4Stack=true"
diff --git a/tests/shaded/bookkeeper-server-tests-shaded-test/build.gradle b/tests/shaded/bookkeeper-server-tests-shaded-test/build.gradle
index 9ad1b71b2f9..eae3130f711 100644
--- a/tests/shaded/bookkeeper-server-tests-shaded-test/build.gradle
+++ b/tests/shaded/bookkeeper-server-tests-shaded-test/build.gradle
@@ -24,7 +24,8 @@ plugins {
 dependencies {
     testImplementation depLibs.slf4j
     testImplementation depLibs.junit
-    testImplementation fileTree(dir: '../../../shaded/bookkeeper-server-shaded/', include: ['**/*.jar'])
+    testImplementation depLibs.commonsConfiguration
+    testImplementation project(':shaded:bookkeeper-server-shaded')
     testImplementation fileTree(dir: '../../../shaded/bookkeeper-server-tests-shaded/', include: ['**/*.jar'])
 }