python3-gpt-image: Use PEP-517 build backend

Switch to using ptest-python-pytest and add it to PTESTS_FAST_META_PYTHON

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-extended/python3-gpt-image/python3-gpt-image_0.9.0.bb

@@ -5,25 +5,12 @@ SUMMARY = "GPT Image (pure python)"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=db5f8de88d13d0917db21293d0e82e1d"
 
-SRC_URI += "\
-           file://run-ptest \
-"
-
 DEPENDS += "python3-pip"
 
 PYPI_PACKAGE = "gpt_image"
 SRC_URI[sha256sum] = "c06d8efc7cf8d6f3954c1c3d8544f494aa95da37fe04e38a9699ad3f57455f7e"
 
-inherit pypi setuptools3 python3native ptest
-
-do_install_ptest() {
-    install -d ${D}${PTEST_PATH}/tests
-    cp -rf ${S}/tests/* ${D}${PTEST_PATH}/tests/
-}
-
-RDEPENDS:${PN}-ptest += " \
-    python3-pytest \
-"
+inherit pypi python3native python_setuptools_build_meta ptest-python-pytest
 
 do_install:append() {
 	rm -fr ${D}${libdir}/python*/site-packages/gpt-image/__pycache__