diff --git a/yocto-poky/meta/lib/oeqa/oetest.py b/yocto-poky/meta/lib/oeqa/oetest.py
index 6f9edec..3ed5bb8 100644
--- a/yocto-poky/meta/lib/oeqa/oetest.py
+++ b/yocto-poky/meta/lib/oeqa/oetest.py
@@ -7,16 +7,25 @@
 
 # It also has some helper functions and it's responsible for actually starting the tests
 
-import os, re, mmap
+import os, re, mmap, sys
 import unittest
 import inspect
 import subprocess
+import signal
 try:
     import bb
 except ImportError:
     pass
 import logging
+
+import oeqa.runtime
+# Exported test doesn't require sdkext
+try:
+    import oeqa.sdkext
+except ImportError:
+    pass
 from oeqa.utils.decorators import LogResults, gettag, getResults
+from oeqa.utils import avoid_paths_in_environ
 
 logger = logging.getLogger("BitBake")
 
@@ -30,7 +39,6 @@
 def checkTags(tc, tagexp):
     return eval(tagexp, None, getVar(tc))
 
-
 def filterByTagExp(testsuite, tagexp):
     if not tagexp:
         return testsuite
@@ -43,106 +51,6 @@
             caseList.append(filterByTagExp(each, tagexp))
     return testsuite.__class__(caseList)
 
-def loadTests(tc, type="runtime"):
-    if type == "runtime":
-        # set the context object passed from the test class
-        setattr(oeTest, "tc", tc)
-        # set ps command to use
-        setattr(oeRuntimeTest, "pscmd", "ps -ef" if oeTest.hasPackage("procps") else "ps")
-        # prepare test suite, loader and runner
-        suite = unittest.TestSuite()
-    elif type == "sdk":
-        # set the context object passed from the test class
-        setattr(oeTest, "tc", tc)
-    testloader = unittest.TestLoader()
-    testloader.sortTestMethodsUsing = None
-    suites = [testloader.loadTestsFromName(name) for name in tc.testslist]
-    suites = filterByTagExp(suites, getattr(tc, "tagexp", None))
-
-    def getTests(test):
-        '''Return all individual tests executed when running the suite.'''
-        # Unfortunately unittest does not have an API for this, so we have
-        # to rely on implementation details. This only needs to work
-        # for TestSuite containing TestCase.
-        method = getattr(test, '_testMethodName', None)
-        if method:
-            # leaf case: a TestCase
-            yield test
-        else:
-            # Look into TestSuite.
-            tests = getattr(test, '_tests', [])
-            for t1 in tests:
-                for t2 in getTests(t1):
-                    yield t2
-
-    # Determine dependencies between suites by looking for @skipUnlessPassed
-    # method annotations. Suite A depends on suite B if any method in A
-    # depends on a method on B.
-    for suite in suites:
-        suite.dependencies = []
-        suite.depth = 0
-        for test in getTests(suite):
-            methodname = getattr(test, '_testMethodName', None)
-            if methodname:
-                method = getattr(test, methodname)
-                depends_on = getattr(method, '_depends_on', None)
-                if depends_on:
-                    for dep_suite in suites:
-                        if depends_on in [getattr(t, '_testMethodName', None) for t in getTests(dep_suite)]:
-                            if dep_suite not in suite.dependencies and \
-                               dep_suite is not suite:
-                                suite.dependencies.append(dep_suite)
-                            break
-                    else:
-                        logger.warning("Test %s was declared as @skipUnlessPassed('%s') but that test is either not defined or not active. Will run the test anyway." %
-                                (test, depends_on))
-    # Use brute-force topological sort to determine ordering. Sort by
-    # depth (higher depth = must run later), with original ordering to
-    # break ties.
-    def set_suite_depth(suite):
-        for dep in suite.dependencies:
-            new_depth = set_suite_depth(dep) + 1
-            if new_depth > suite.depth:
-                suite.depth = new_depth
-        return suite.depth
-    for index, suite in enumerate(suites):
-        set_suite_depth(suite)
-        suite.index = index
-    suites.sort(cmp=lambda a,b: cmp((a.depth, a.index), (b.depth, b.index)))
-    return testloader.suiteClass(suites)
-
-_buffer = ""
-
-def custom_verbose(msg, *args, **kwargs):
-    global _buffer
-    if msg[-1] != "\n":
-        _buffer += msg
-    else:
-        _buffer += msg
-        try:
-            bb.plain(_buffer.rstrip("\n"), *args, **kwargs)
-        except NameError:
-            logger.info(_buffer.rstrip("\n"), *args, **kwargs)
-        _buffer = ""
-
-def runTests(tc, type="runtime"):
-
-    suite = loadTests(tc, type)
-    logger.info("Test modules  %s" % tc.testslist)
-    if hasattr(tc, "tagexp") and tc.tagexp:
-        logger.info("Filter test cases by tags: %s" % tc.tagexp)
-    logger.info("Found %s tests" % suite.countTestCases())
-    runner = unittest.TextTestRunner(verbosity=2)
-    try:
-        if bb.msg.loggerDefaultVerbose:
-            runner.stream.write = custom_verbose
-    except NameError:
-        # Not in bb environment?
-        pass
-    result = runner.run(suite)
-
-    return result
-
 @LogResults
 class oeTest(unittest.TestCase):
 
@@ -222,7 +130,19 @@
         return False
 
     def _run(self, cmd):
-        return subprocess.check_output(". %s; " % self.tc.sdkenv + cmd, shell=True)
+        return subprocess.check_output(". %s > /dev/null; %s;" % (self.tc.sdkenv, cmd), shell=True)
+
+class oeSDKExtTest(oeSDKTest):
+    def _run(self, cmd):
+        # extensible sdk shows a warning if found bitbake in the path
+        # because can cause contamination, i.e. use devtool from
+        # poky/scripts instead of eSDK one.
+        env = os.environ.copy()
+        paths_to_avoid = ['bitbake/bin', 'poky/scripts']
+        env['PATH'] = avoid_paths_in_environ(paths_to_avoid)
+
+        return subprocess.check_output(". %s > /dev/null;"\
+            " %s;" % (self.tc.sdkenv, cmd), shell=True, env=env)
 
 def getmodule(pos=2):
     # stack returns a list of tuples containg frame information
@@ -250,3 +170,278 @@
 
     if not cond:
         skipModule(reason, 3)
+
+_buffer_logger = ""
+def custom_verbose(msg, *args, **kwargs):
+    global _buffer_logger
+    if msg[-1] != "\n":
+        _buffer_logger += msg
+    else:
+        _buffer_logger += msg
+        try:
+            bb.plain(_buffer_logger.rstrip("\n"), *args, **kwargs)
+        except NameError:
+            logger.info(_buffer_logger.rstrip("\n"), *args, **kwargs)
+        _buffer_logger = ""
+
+class TestContext(object):
+    def __init__(self, d):
+        self.d = d
+
+        self.testsuites = self._get_test_suites()
+        self.testslist = self._get_tests_list(d.getVar("BBPATH", True).split(':'))
+        self.testsrequired = self._get_test_suites_required()
+
+        self.filesdir = os.path.join(os.path.dirname(os.path.abspath(
+            oeqa.runtime.__file__)), "files")
+        self.imagefeatures = d.getVar("IMAGE_FEATURES", True).split()
+        self.distrofeatures = d.getVar("DISTRO_FEATURES", True).split()
+
+    # get testcase list from specified file
+    # if path is a relative path, then relative to build/conf/
+    def _read_testlist(self, fpath, builddir):
+        if not os.path.isabs(fpath):
+            fpath = os.path.join(builddir, "conf", fpath)
+        if not os.path.exists(fpath):
+            bb.fatal("No such manifest file: ", fpath)
+        tcs = []
+        for line in open(fpath).readlines():
+            line = line.strip()
+            if line and not line.startswith("#"):
+                tcs.append(line)
+        return " ".join(tcs)
+
+    # return test list by type also filter if TEST_SUITES is specified
+    def _get_tests_list(self, bbpath):
+        testslist = []
+
+        type = self._get_test_namespace()
+
+        # This relies on lib/ under each directory in BBPATH being added to sys.path
+        # (as done by default in base.bbclass)
+        for testname in self.testsuites:
+            if testname != "auto":
+                if testname.startswith("oeqa."):
+                    testslist.append(testname)
+                    continue
+                found = False
+                for p in bbpath:
+                    if os.path.exists(os.path.join(p, 'lib', 'oeqa', type, testname + '.py')):
+                        testslist.append("oeqa." + type + "." + testname)
+                        found = True
+                        break
+                    elif os.path.exists(os.path.join(p, 'lib', 'oeqa', type, testname.split(".")[0] + '.py')):
+                        testslist.append("oeqa." + type + "." + testname)
+                        found = True
+                        break
+                if not found:
+                    bb.fatal('Test %s specified in TEST_SUITES could not be found in lib/oeqa/runtime under BBPATH' % testname)
+
+        if "auto" in self.testsuites:
+            def add_auto_list(path):
+                if not os.path.exists(os.path.join(path, '__init__.py')):
+                    bb.fatal('Tests directory %s exists but is missing __init__.py' % path)
+                files = sorted([f for f in os.listdir(path) if f.endswith('.py') and not f.startswith('_')])
+                for f in files:
+                    module = 'oeqa.' + type + '.' + f[:-3]
+                    if module not in testslist:
+                        testslist.append(module)
+
+            for p in bbpath:
+                testpath = os.path.join(p, 'lib', 'oeqa', type)
+                bb.debug(2, 'Searching for tests in %s' % testpath)
+                if os.path.exists(testpath):
+                    add_auto_list(testpath)
+
+        return testslist
+
+    def loadTests(self):
+        setattr(oeTest, "tc", self)
+
+        testloader = unittest.TestLoader()
+        testloader.sortTestMethodsUsing = None
+        suites = [testloader.loadTestsFromName(name) for name in self.testslist]
+        suites = filterByTagExp(suites, getattr(self, "tagexp", None))
+
+        def getTests(test):
+            '''Return all individual tests executed when running the suite.'''
+            # Unfortunately unittest does not have an API for this, so we have
+            # to rely on implementation details. This only needs to work
+            # for TestSuite containing TestCase.
+            method = getattr(test, '_testMethodName', None)
+            if method:
+                # leaf case: a TestCase
+                yield test
+            else:
+                # Look into TestSuite.
+                tests = getattr(test, '_tests', [])
+                for t1 in tests:
+                    for t2 in getTests(t1):
+                        yield t2
+
+        # Determine dependencies between suites by looking for @skipUnlessPassed
+        # method annotations. Suite A depends on suite B if any method in A
+        # depends on a method on B.
+        for suite in suites:
+            suite.dependencies = []
+            suite.depth = 0
+            for test in getTests(suite):
+                methodname = getattr(test, '_testMethodName', None)
+                if methodname:
+                    method = getattr(test, methodname)
+                    depends_on = getattr(method, '_depends_on', None)
+                    if depends_on:
+                        for dep_suite in suites:
+                            if depends_on in [getattr(t, '_testMethodName', None) for t in getTests(dep_suite)]:
+                                if dep_suite not in suite.dependencies and \
+                                   dep_suite is not suite:
+                                    suite.dependencies.append(dep_suite)
+                                break
+                        else:
+                            logger.warning("Test %s was declared as @skipUnlessPassed('%s') but that test is either not defined or not active. Will run the test anyway." %
+                                    (test, depends_on))
+
+        # Use brute-force topological sort to determine ordering. Sort by
+        # depth (higher depth = must run later), with original ordering to
+        # break ties.
+        def set_suite_depth(suite):
+            for dep in suite.dependencies:
+                new_depth = set_suite_depth(dep) + 1
+                if new_depth > suite.depth:
+                    suite.depth = new_depth
+            return suite.depth
+
+        for index, suite in enumerate(suites):
+            set_suite_depth(suite)
+            suite.index = index
+        suites.sort(cmp=lambda a,b: cmp((a.depth, a.index), (b.depth, b.index)))
+
+        self.suite = testloader.suiteClass(suites)
+
+        return self.suite
+
+    def runTests(self):
+        logger.info("Test modules  %s" % self.testslist)
+        if hasattr(self, "tagexp") and self.tagexp:
+            logger.info("Filter test cases by tags: %s" % self.tagexp)
+        logger.info("Found %s tests" % self.suite.countTestCases())
+        runner = unittest.TextTestRunner(verbosity=2)
+        if 'bb' in sys.modules:
+            runner.stream.write = custom_verbose
+
+        return runner.run(self.suite)
+
+class ImageTestContext(TestContext):
+    def __init__(self, d, target, host_dumper):
+        super(ImageTestContext, self).__init__(d)
+
+        self.tagexp =  d.getVar("TEST_SUITES_TAGS", True)
+
+        self.target = target
+        self.host_dumper = host_dumper
+
+        manifest = os.path.join(d.getVar("DEPLOY_DIR_IMAGE", True),
+                d.getVar("IMAGE_LINK_NAME", True) + ".manifest")
+        nomanifest = d.getVar("IMAGE_NO_MANIFEST", True)
+        if nomanifest is None or nomanifest != "1":
+            try:
+                with open(manifest) as f:
+                    self.pkgmanifest = f.read()
+            except IOError as e:
+                bb.fatal("No package manifest file found. Did you build the image?\n%s" % e)
+        else:
+            self.pkgmanifest = ""
+
+        self.sigterm = False
+        self.origsigtermhandler = signal.getsignal(signal.SIGTERM)
+        signal.signal(signal.SIGTERM, self._sigterm_exception)
+
+    def _sigterm_exception(self, signum, stackframe):
+        bb.warn("TestImage received SIGTERM, shutting down...")
+        self.sigterm = True
+        self.target.stop()
+
+    def _get_test_namespace(self):
+        return "runtime"
+
+    def _get_test_suites(self):
+        testsuites = []
+
+        manifests = (self.d.getVar("TEST_SUITES_MANIFEST", True) or '').split()
+        if manifests:
+            for manifest in manifests:
+                testsuites.extend(self._read_testlist(manifest,
+                                  self.d.getVar("TOPDIR", True)).split())
+
+        else:
+            testsuites = self.d.getVar("TEST_SUITES", True).split()
+
+        return testsuites
+
+    def _get_test_suites_required(self):
+        return [t for t in self.d.getVar("TEST_SUITES", True).split() if t != "auto"]
+
+    def loadTests(self):
+        super(ImageTestContext, self).loadTests()
+        setattr(oeRuntimeTest, "pscmd", "ps -ef" if oeTest.hasPackage("procps") else "ps")
+
+class SDKTestContext(TestContext):
+    def __init__(self, d, sdktestdir, sdkenv, tcname, *args):
+        super(SDKTestContext, self).__init__(d)
+
+        self.sdktestdir = sdktestdir
+        self.sdkenv = sdkenv
+        self.tcname = tcname
+
+        if not hasattr(self, 'target_manifest'):
+            self.target_manifest = d.getVar("SDK_TARGET_MANIFEST", True)
+        try:
+            with open(self.target_manifest) as f:
+                 self.pkgmanifest = f.read()
+        except IOError as e:
+            bb.fatal("No package manifest file found. Did you build the sdk image?\n%s" % e)
+
+        if not hasattr(self, 'host_manifest'):
+            self.host_manifest = d.getVar("SDK_HOST_MANIFEST", True)
+        try:
+            with open(self.host_manifest) as f:
+                self.hostpkgmanifest = f.read()
+        except IOError as e:
+            bb.fatal("No host package manifest file found. Did you build the sdk image?\n%s" % e)
+
+    def _get_test_namespace(self):
+        return "sdk"
+
+    def _get_test_suites(self):
+        return (self.d.getVar("TEST_SUITES_SDK", True) or "auto").split()
+
+    def _get_test_suites_required(self):
+        return [t for t in (self.d.getVar("TEST_SUITES_SDK", True) or \
+                "auto").split() if t != "auto"]
+
+class SDKExtTestContext(SDKTestContext):
+    def __init__(self, d, sdktestdir, sdkenv, tcname, *args):
+        self.target_manifest = d.getVar("SDK_EXT_TARGET_MANIFEST", True)
+        self.host_manifest = d.getVar("SDK_EXT_HOST_MANIFEST", True)
+        if args:
+            self.cm = args[0] # Compatibility mode for run SDK tests
+        else:
+            self.cm = False
+
+        super(SDKExtTestContext, self).__init__(d, sdktestdir, sdkenv, tcname)
+
+        self.sdkextfilesdir = os.path.join(os.path.dirname(os.path.abspath(
+            oeqa.sdkext.__file__)), "files")
+
+    def _get_test_namespace(self):
+        if self.cm:
+            return "sdk"
+        else:
+            return "sdkext"
+
+    def _get_test_suites(self):
+        return (self.d.getVar("TEST_SUITES_SDK_EXT", True) or "auto").split()
+
+    def _get_test_suites_required(self):
+        return [t for t in (self.d.getVar("TEST_SUITES_SDK_EXT", True) or \
+                "auto").split() if t != "auto"]