diff --git a/poky/meta/classes/testsdk.bbclass b/poky/meta/classes/testsdk.bbclass
index 458c3f4..758a23a 100644
--- a/poky/meta/classes/testsdk.bbclass
+++ b/poky/meta/classes/testsdk.bbclass
@@ -14,218 +14,31 @@
 #
 # where "<image-name>" is an image like core-image-sato.
 
-def get_sdk_configuration(d, test_type):
-    import platform
-    from oeqa.utils.metadata import get_layers
-    configuration = {'TEST_TYPE': test_type,
-                    'MACHINE': d.getVar("MACHINE"),
-                    'SDKMACHINE': d.getVar("SDKMACHINE"),
-                    'IMAGE_BASENAME': d.getVar("IMAGE_BASENAME"),
-                    'IMAGE_PKGTYPE': d.getVar("IMAGE_PKGTYPE"),
-                    'STARTTIME': d.getVar("DATETIME"),
-                    'HOST_DISTRO': oe.lsb.distro_identifier().replace(' ', '-'),
-                    'LAYERS': get_layers(d.getVar("BBLAYERS"))}
-    return configuration
-get_sdk_configuration[vardepsexclude] = "DATETIME"
+TESTSDK_CLASS_NAME ?= "oeqa.sdk.testsdk.TestSDK"
+TESTSDKEXT_CLASS_NAME ?= "oeqa.sdkext.testsdk.TestSDKExt"
 
-def get_sdk_json_result_dir(d):
-    json_result_dir = os.path.join(d.getVar("LOG_DIR"), 'oeqa')
-    custom_json_result_dir = d.getVar("OEQA_JSON_RESULT_DIR")
-    if custom_json_result_dir:
-        json_result_dir = custom_json_result_dir
-    return json_result_dir
+def import_and_run(name, d):
+    import importlib
 
-def get_sdk_result_id(configuration):
-    return '%s_%s_%s_%s_%s' % (configuration['TEST_TYPE'], configuration['IMAGE_BASENAME'], configuration['SDKMACHINE'], configuration['MACHINE'], configuration['STARTTIME'])
+    class_name = d.getVar(name)
+    if class_name:
+        module, cls = class_name.rsplit('.', 1)
+        m = importlib.import_module(module)
+        c = getattr(m, cls)()
+        c.run(d)
+    else:
+        bb.warn('No tests were run because %s did not define a class' % name)
 
-def testsdk_main(d):
-    import os
-    import subprocess
-    import json
-    import logging
-
-    from bb.utils import export_proxies
-    from oeqa.sdk.context import OESDKTestContext, OESDKTestContextExecutor
-    from oeqa.utils import make_logger_bitbake_compatible
-
-    pn = d.getVar("PN")
-    logger = make_logger_bitbake_compatible(logging.getLogger("BitBake"))
-
-    # sdk use network for download projects for build
-    export_proxies(d)
-
-    tcname = d.expand("${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh")
-    if not os.path.exists(tcname):
-        bb.fatal("The toolchain %s is not built. Build it before running the tests: 'bitbake <image> -c populate_sdk' ." % tcname)
-
-    tdname = d.expand("${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.testdata.json")
-    test_data = json.load(open(tdname, "r"))
-
-    target_pkg_manifest = OESDKTestContextExecutor._load_manifest(
-        d.expand("${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.target.manifest"))
-    host_pkg_manifest = OESDKTestContextExecutor._load_manifest(
-        d.expand("${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.host.manifest"))
-
-    processes = d.getVar("TESTIMAGE_NUMBER_THREADS") or d.getVar("BB_NUMBER_THREADS")
-    if processes:
-        try:
-            import testtools, subunit
-        except ImportError:
-            bb.warn("Failed to import testtools or subunit, the testcases will run serially")
-            processes = None
-
-    sdk_dir = d.expand("${WORKDIR}/testimage-sdk/")
-    bb.utils.remove(sdk_dir, True)
-    bb.utils.mkdirhier(sdk_dir)
-    try:
-        subprocess.check_output("cd %s; %s <<EOF\n./\nY\nEOF" % (sdk_dir, tcname), shell=True)
-    except subprocess.CalledProcessError as e:
-        bb.fatal("Couldn't install the SDK:\n%s" % e.output.decode("utf-8"))
-
-    fail = False
-    sdk_envs = OESDKTestContextExecutor._get_sdk_environs(sdk_dir)
-    for s in sdk_envs:
-        sdk_env = sdk_envs[s]
-        bb.plain("SDK testing environment: %s" % s)
-        tc = OESDKTestContext(td=test_data, logger=logger, sdk_dir=sdk_dir,
-            sdk_env=sdk_env, target_pkg_manifest=target_pkg_manifest,
-            host_pkg_manifest=host_pkg_manifest)
-
-        try:
-            tc.loadTests(OESDKTestContextExecutor.default_cases)
-        except Exception as e:
-            import traceback
-            bb.fatal("Loading tests failed:\n%s" % traceback.format_exc())
-
-        if processes:
-            result = tc.runTests(processes=int(processes))
-        else:
-            result = tc.runTests()
-
-        component = "%s %s" % (pn, OESDKTestContextExecutor.name)
-        context_msg = "%s:%s" % (os.path.basename(tcname), os.path.basename(sdk_env))
-        configuration = get_sdk_configuration(d, 'sdk')
-        result.logDetails(get_sdk_json_result_dir(d),
-                          configuration,
-                          get_sdk_result_id(configuration))
-        result.logSummary(component, context_msg)
-
-        if not result.wasSuccessful():
-            fail = True
-
-    if fail:
-        bb.fatal("%s - FAILED - check the task log and the commands log" % pn)
-  
-testsdk_main[vardepsexclude] =+ "BB_ORIGENV"
+import_and_run[vardepsexclude] = "DATETIME BB_ORIGENV"
 
 python do_testsdk() {
-    testsdk_main(d)
+    import_and_run('TESTSDK_CLASS_NAME', d)
 }
 addtask testsdk
 do_testsdk[nostamp] = "1"
 
-def testsdkext_main(d):
-    import os
-    import json
-    import subprocess
-    import logging
-
-    from bb.utils import export_proxies
-    from oeqa.utils import avoid_paths_in_environ, make_logger_bitbake_compatible, subprocesstweak
-    from oeqa.sdkext.context import OESDKExtTestContext, OESDKExtTestContextExecutor
-
-    pn = d.getVar("PN")
-    logger = make_logger_bitbake_compatible(logging.getLogger("BitBake"))
-
-    # extensible sdk use network
-    export_proxies(d)
-
-    subprocesstweak.errors_have_output()
-
-    # extensible sdk can be contaminated if native programs are
-    # in PATH, i.e. use perl-native instead of eSDK one.
-    paths_to_avoid = [d.getVar('STAGING_DIR'),
-                      d.getVar('BASE_WORKDIR')]
-    os.environ['PATH'] = avoid_paths_in_environ(paths_to_avoid)
-
-    tcname = d.expand("${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.sh")
-    if not os.path.exists(tcname):
-        bb.fatal("The toolchain ext %s is not built. Build it before running the" \
-                 " tests: 'bitbake <image> -c populate_sdk_ext' ." % tcname)
-
-    tdname = d.expand("${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.testdata.json")
-    test_data = json.load(open(tdname, "r"))
-
-    target_pkg_manifest = OESDKExtTestContextExecutor._load_manifest(
-        d.expand("${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.target.manifest"))
-    host_pkg_manifest = OESDKExtTestContextExecutor._load_manifest(
-        d.expand("${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.host.manifest"))
-
-    sdk_dir = d.expand("${WORKDIR}/testsdkext/")
-    bb.utils.remove(sdk_dir, True)
-    bb.utils.mkdirhier(sdk_dir)
-    try:
-        subprocess.check_output("%s -y -d %s" % (tcname, sdk_dir), shell=True)
-    except subprocess.CalledProcessError as e:
-        msg = "Couldn't install the extensible SDK:\n%s" % e.output.decode("utf-8")
-        logfn = os.path.join(sdk_dir, 'preparing_build_system.log')
-        if os.path.exists(logfn):
-            msg += '\n\nContents of preparing_build_system.log:\n'
-            with open(logfn, 'r') as f:
-                for line in f:
-                    msg += line
-        bb.fatal(msg)
-
-    fail = False
-    sdk_envs = OESDKExtTestContextExecutor._get_sdk_environs(sdk_dir)
-    for s in sdk_envs:
-        bb.plain("Extensible SDK testing environment: %s" % s)
-
-        sdk_env = sdk_envs[s]
-
-        # Use our own SSTATE_DIR and DL_DIR so that updates to the eSDK come from our sstate cache
-        # and we don't spend hours downloading kernels for the kernel module test
-        # Abuse auto.conf since local.conf would be overwritten by the SDK
-        with open(os.path.join(sdk_dir, 'conf', 'auto.conf'), 'a+') as f:
-            f.write('SSTATE_MIRRORS += " \\n file://.* file://%s/PATH"\n' % test_data.get('SSTATE_DIR'))
-            f.write('SOURCE_MIRROR_URL = "file://%s"\n' % test_data.get('DL_DIR'))
-            f.write('INHERIT += "own-mirrors"\n')
-            f.write('PREMIRRORS_prepend = " git://git.yoctoproject.org/.* git://%s/git2/git.yoctoproject.org.BASENAME \\n "\n' % test_data.get('DL_DIR'))
-
-        # We need to do this in case we have a minimal SDK
-        subprocess.check_output(". %s > /dev/null; devtool sdk-install meta-extsdk-toolchain" % \
-                sdk_env, cwd=sdk_dir, shell=True, stderr=subprocess.STDOUT)
-
-        tc = OESDKExtTestContext(td=test_data, logger=logger, sdk_dir=sdk_dir,
-            sdk_env=sdk_env, target_pkg_manifest=target_pkg_manifest,
-            host_pkg_manifest=host_pkg_manifest)
-
-        try:
-            tc.loadTests(OESDKExtTestContextExecutor.default_cases)
-        except Exception as e:
-            import traceback
-            bb.fatal("Loading tests failed:\n%s" % traceback.format_exc())
-
-        result = tc.runTests()
-
-        component = "%s %s" % (pn, OESDKExtTestContextExecutor.name)
-        context_msg = "%s:%s" % (os.path.basename(tcname), os.path.basename(sdk_env))
-        configuration = get_sdk_configuration(d, 'sdkext')
-        result.logDetails(get_sdk_json_result_dir(d),
-                          configuration,
-                          get_sdk_result_id(configuration))
-        result.logSummary(component, context_msg)
-
-        if not result.wasSuccessful():
-            fail = True
-
-    if fail:
-        bb.fatal("%s - FAILED - check the task log and the commands log" % pn)
-
-testsdkext_main[vardepsexclude] =+ "BB_ORIGENV"
-
 python do_testsdkext() {
-    testsdkext_main(d)
+    import_and_run('TESTSDKEXT_CLASS_NAME', d)
 }
 addtask testsdkext
 do_testsdkext[nostamp] = "1"