python3-smpplib: update recipe to use the ptest-python-pytest class

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-smpplib_2.2.3.bb

@@ -6,11 +6,7 @@ LIC_FILES_CHKSUM = "file://README.md;md5=8b4e2ac8cf248f7b991784f88b630852"
 PYPI_PACKAGE = "smpplib"
 SRC_URI[sha256sum] = "5215a95b0538d26f189600e0982b31da8281f7453cd6e2862c5b21e3e1002331"
 
-inherit pypi setuptools3 ptest
-
-SRC_URI += " \
-        file://run-ptest \
-"
+inherit pypi setuptools3 ptest-python-pytest
 
 RDEPENDS:${PN} += " \
         python3-logging \
@@ -20,12 +16,9 @@ RDEPENDS:${PN} += " \
 RDEPENDS:${PN}-ptest += " \
     python3-mock \
     python3-profile \
-    python3-pytest \
-    python3-unittest \
-    python3-unittest-automake-output \
 "
 
-do_install_ptest() {
+do_install_ptest:append() {
         install -d ${D}${PTEST_PATH}/tests
         cp -rf ${S}/smpplib/tests/* ${D}${PTEST_PATH}/tests/
 }