Refactor clone and compile functions

The clone_all_* and compile_all_* functions share same instructions
for performing their functionality.  This change pretends to reduce
the duplication of the code.

Change-Id: Ief63a5a58c79af85c829602b0451637424659438
Signed-off-by: Victor Morales <victor.morales@intel.com>
Issue-Id: INT-339
diff --git a/bootstrap/vagrant-onap/tests/_test_base b/bootstrap/vagrant-onap/tests/_test_base
old mode 100644
new mode 100755
index 78c7f8b..b30632d
--- a/bootstrap/vagrant-onap/tests/_test_base
+++ b/bootstrap/vagrant-onap/tests/_test_base
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+if [[ "$debug" == "True" ]]; then
+    set -o xtrace
+fi
+
 source /var/onap_tests/asserts
 source /var/onap/commons
 
@@ -17,7 +21,7 @@
         echo "ok $((i+1)) - test_${covered_functions[$i]}"
 
         # Teardown process
-        if ! is_package_installed docker-ce; then
+        if is_package_installed docker-ce; then
             docker images -q | xargs docker rmi -f
         fi
         dpkg --get-selections > installed-software_new