Modifying slow-server tests to use setup

The slow server tests are using the global setup to create the test
dependencies, like setting up the web server. Recently a function to set
the upstream server in a test environment was added to the test library
which now makes possible to configure the environment to use this server
after it's been created so we no longer need to create the web server in
the global setup.

This commit moves the creation of the web server to the test_setup
function to make the code from the tests easier to read and less
convoluted.

Signed-off-by: Castulo Martinez <castulo.martinez@intel.com>

test/functional/checkupdate/chk-update-slow-server.bats

@@ -2,33 +2,28 @@
 
 load "../testlib"
 
-global_setup() {
+test_setup() {
 
 	create_test_environment "$TEST_NAME"
 	create_version "$TEST_NAME" 99990 10 staging
 
 	# start slow response web server
 	start_web_server -s
-}
 
-test_setup() {
+	# Set the web server as our upstream server
+	port=$(get_web_server_port "$TEST_NAME")
+	set_upstream_server "$TEST_NAME" "http://localhost:$port/$TEST_NAME/web-dir"
 
-	return
 }
 
 test_teardown() {
 
-	return
-}
-
-global_teardown() {
-
 	destroy_test_environment "$TEST_NAME"
 }
 
 @test "CHK003: Check for available updates with a slow server" {
 
-	run sudo sh -c "$SWUPD check-update $SWUPD_OPTS_HTTP"
+	run sudo sh -c "$SWUPD check-update $SWUPD_OPTS"
 	assert_status_is 0
 	expected_output=$(cat <<-EOM
 		Current OS version: 10

test/functional/update/update-slow-server.bats

@@ -2,8 +2,7 @@
 
 load "../testlib"
 
-global_setup() {
-
+test_setup() {
 	# Skip this test if not running in Travis CI, because test takes too long for
 	# local development. To run this locally do: TRAVIS=true make check
 	if [ -z "${TRAVIS}" ]; then
@@ -15,18 +14,14 @@ global_setup() {
 	update_bundle "$TEST_NAME" test-bundle --update /foo/bar
 
 	start_web_server -d pack-test-bundle-from-10.tar -s
-}
 
-test_setup() {
-	return
+	# Set the web server as our upstream server
+	port=$(get_web_server_port "$TEST_NAME")
+	set_upstream_server "$TEST_NAME" "http://localhost:$port/$TEST_NAME/web-dir"
+
 }
 
 test_teardown() {
-	return
-}
-
-global_teardown() {
-
 	# teardown only if in travis CI
 	if [ -n "${TRAVIS}" ]; then
 		destroy_test_environment "$TEST_NAME"
@@ -36,7 +31,7 @@ global_teardown() {
 
 @test "UPD025: Updating a system using a slow server" {
 
-	run sudo sh -c "$SWUPD update $SWUPD_OPTS_HTTP"
+	run sudo sh -c "$SWUPD update $SWUPD_OPTS"
 
 	assert_status_is 0
 	expected_output=$(cat <<-EOM