oeqa/runtime/cases: Improve test dependency information

Add the OEHasPackage decorator to a variety of tests so they determine
automatically if they should run against a given image.

To ensure tests can do this we need to move target operations such
as scp commands into the tests and out of the class startup/teardown.

(From OE-Core rev: 60d6580b85714b8960a964e775d76a7f937f5e5a)

(From OE-Core rev: 03b7658369bb7c1c8fbbaac7d9e281617cc16135)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/runtime/cases/stap.py

@@ -4,6 +4,7 @@ from oeqa.runtime.case import OERuntimeTestCase
 from oeqa.core.decorator.depends import OETestDepends
 from oeqa.core.decorator.oeid import OETestID
 from oeqa.core.decorator.data import skipIfNotFeature
+from oeqa.runtime.decorator.package import OEHasPackage
 
 class StapTest(OERuntimeTestCase):
 
@@ -22,6 +23,7 @@ class StapTest(OERuntimeTestCase):
     @skipIfNotFeature('tools-profile',
                       'Test requires tools-profile to be in IMAGE_FEATURES')
     @OETestDepends(['kernelmodule.KernelModuleTest.test_kernel_module'])
+    @OEHasPackage(['systemtap'])
     def test_stap(self):
         cmds = [
             'cd /usr/src/kernel && make scripts prepare',