diff --git a/poky/bitbake/lib/bb/tests/runqueue.py b/poky/bitbake/lib/bb/tests/runqueue.py
index cb4d526..5e64391 100644
--- a/poky/bitbake/lib/bb/tests/runqueue.py
+++ b/poky/bitbake/lib/bb/tests/runqueue.py
@@ -12,6 +12,7 @@
 import tempfile
 import subprocess
 import sys
+import time
 
 #
 # TODO:
@@ -257,6 +258,8 @@
                         'a1:package_write_ipk_setscene', 'a1:package_qa_setscene']
             self.assertEqual(set(tasks), set(expected))
 
+            self.shutdown(tempdir)
+
     @unittest.skipIf(sys.version_info < (3, 5, 0), 'Python 3.5 or later required')
     def test_hashserv_double(self):
         with tempfile.TemporaryDirectory(prefix="runqueuetest") as tempdir:
@@ -280,6 +283,7 @@
                         'a1:package_write_rpm_setscene', 'b1:package_write_ipk_setscene', 'a1:packagedata_setscene']
             self.assertEqual(set(tasks), set(expected))
 
+            self.shutdown(tempdir)
 
     @unittest.skipIf(sys.version_info < (3, 5, 0), 'Python 3.5 or later required')
     def test_hashserv_multiple_setscene(self):
@@ -307,97 +311,13 @@
                         'e1:package_setscene']
             self.assertEqual(set(tasks), set(expected))
             for i in expected:
-                if i in ["e1:package_setscene"]:
-                    self.assertEqual(tasks.count(i), 4, "%s not in task list four times" % i)
-                else:
-                    self.assertEqual(tasks.count(i), 1, "%s not in task list once" % i)
+                self.assertEqual(tasks.count(i), 1, "%s not in task list once" % i)
 
-    @unittest.skipIf(sys.version_info < (3, 5, 0), 'Python 3.5 or later required')
-    def test_hashserv_partial_match(self):
-        # e1:do_package matches initial built but not second hash value
-        with tempfile.TemporaryDirectory(prefix="runqueuetest") as tempdir:
-            extraenv = {
-                "BB_HASHSERVE" : "auto",
-                "BB_SIGNATURE_HANDLER" : "TestEquivHash"
-            }
-            cmd = ["bitbake", "a1", "b1"]
-            setscenetasks = ['package_write_ipk_setscene', 'package_write_rpm_setscene', 'packagedata_setscene',
-                             'populate_sysroot_setscene', 'package_qa_setscene']
-            sstatevalid = ""
-            tasks = self.run_bitbakecmd(cmd, tempdir, sstatevalid, extraenv=extraenv, cleanup=True)
-            expected = ['a1:' + x for x in self.alltasks] + ['b1:' + x for x in self.alltasks]
-            self.assertEqual(set(tasks), set(expected))
-            with open(tempdir + "/stamps/a1.do_install.taint", "w") as f:
-               f.write("d460a29e-903f-4b76-a96b-3bcc22a65994")
-            with open(tempdir + "/stamps/b1.do_install.taint", "w") as f:
-               f.write("ed36d46a-2977-458a-b3de-eef885bc1817")
-            cmd = ["bitbake", "e1"]
-            sstatevalid = "e1:do_package:685e69a026b2f029483fdefe6a11e1e06641dd2a0f6f86e27b9b550f8f21229d"
-            tasks = self.run_bitbakecmd(cmd, tempdir, sstatevalid, extraenv=extraenv, cleanup=True)
-            expected = ['a1:package', 'a1:install', 'b1:package', 'b1:install', 'a1:populate_sysroot', 'b1:populate_sysroot',
-                        'a1:package_write_ipk_setscene', 'b1:packagedata_setscene', 'b1:package_write_rpm_setscene',
-                        'a1:package_write_rpm_setscene', 'b1:package_write_ipk_setscene', 'a1:packagedata_setscene',
-                        'e1:package_setscene'] + ['e1:' + x for x in self.alltasks]
-            expected.remove('e1:package')
-            self.assertEqual(set(tasks), set(expected))
+            self.shutdown(tempdir)
 
-    @unittest.skipIf(sys.version_info < (3, 5, 0), 'Python 3.5 or later required')
-    def test_hashserv_partial_match2(self):
-        # e1:do_package + e1:do_populate_sysroot matches initial built but not second hash value
-        with tempfile.TemporaryDirectory(prefix="runqueuetest") as tempdir:
-            extraenv = {
-                "BB_HASHSERVE" : "auto",
-                "BB_SIGNATURE_HANDLER" : "TestEquivHash"
-            }
-            cmd = ["bitbake", "a1", "b1"]
-            setscenetasks = ['package_write_ipk_setscene', 'package_write_rpm_setscene', 'packagedata_setscene',
-                             'populate_sysroot_setscene', 'package_qa_setscene']
-            sstatevalid = ""
-            tasks = self.run_bitbakecmd(cmd, tempdir, sstatevalid, extraenv=extraenv, cleanup=True)
-            expected = ['a1:' + x for x in self.alltasks] + ['b1:' + x for x in self.alltasks]
-            self.assertEqual(set(tasks), set(expected))
-            with open(tempdir + "/stamps/a1.do_install.taint", "w") as f:
-               f.write("d460a29e-903f-4b76-a96b-3bcc22a65994")
-            with open(tempdir + "/stamps/b1.do_install.taint", "w") as f:
-               f.write("ed36d46a-2977-458a-b3de-eef885bc1817")
-            cmd = ["bitbake", "e1"]
-            sstatevalid = "e1:do_package:685e69a026b2f029483fdefe6a11e1e06641dd2a0f6f86e27b9b550f8f21229d e1:do_populate_sysroot:ef7dc0e2dd55d0534e75cba50731ff42f949818b6f29a65d72bc05856e56711d"
-            tasks = self.run_bitbakecmd(cmd, tempdir, sstatevalid, extraenv=extraenv, cleanup=True)
-            expected = ['a1:package', 'a1:install', 'b1:package', 'b1:install', 'a1:populate_sysroot', 'b1:populate_sysroot',
-                        'a1:package_write_ipk_setscene', 'b1:packagedata_setscene', 'b1:package_write_rpm_setscene',
-                        'a1:package_write_rpm_setscene', 'b1:package_write_ipk_setscene', 'a1:packagedata_setscene',
-                        'e1:package_setscene', 'e1:populate_sysroot_setscene', 'e1:build', 'e1:package_qa', 'e1:package_write_rpm', 'e1:package_write_ipk', 'e1:packagedata']
-            self.assertEqual(set(tasks), set(expected))
-
-    @unittest.skipIf(sys.version_info < (3, 5, 0), 'Python 3.5 or later required')
-    def test_hashserv_partial_match3(self):
-        # e1:do_package is valid for a1 but not after b1
-        # In former buggy code, this triggered e1:do_fetch, then e1:do_populate_sysroot to run
-        # with none of the intermediate tasks which is a serious bug
-        with tempfile.TemporaryDirectory(prefix="runqueuetest") as tempdir:
-            extraenv = {
-                "BB_HASHSERVE" : "auto",
-                "BB_SIGNATURE_HANDLER" : "TestEquivHash"
-            }
-            cmd = ["bitbake", "a1", "b1"]
-            setscenetasks = ['package_write_ipk_setscene', 'package_write_rpm_setscene', 'packagedata_setscene',
-                             'populate_sysroot_setscene', 'package_qa_setscene']
-            sstatevalid = ""
-            tasks = self.run_bitbakecmd(cmd, tempdir, sstatevalid, extraenv=extraenv, cleanup=True)
-            expected = ['a1:' + x for x in self.alltasks] + ['b1:' + x for x in self.alltasks]
-            self.assertEqual(set(tasks), set(expected))
-            with open(tempdir + "/stamps/a1.do_install.taint", "w") as f:
-               f.write("d460a29e-903f-4b76-a96b-3bcc22a65994")
-            with open(tempdir + "/stamps/b1.do_install.taint", "w") as f:
-               f.write("ed36d46a-2977-458a-b3de-eef885bc1817")
-            cmd = ["bitbake", "e1", "-DD"]
-            sstatevalid = "e1:do_package:af056eae12a733a6a8c4f4da8c6757e588e13565852c94e2aad4d953a3989c13 e1:do_package:a3677703db82b22d28d57c1820a47851dd780104580863f5bd32e66e003a779d"
-            tasks = self.run_bitbakecmd(cmd, tempdir, sstatevalid, extraenv=extraenv, cleanup=True, slowtasks="e1:fetch b1:install")
-            expected = ['a1:package', 'a1:install', 'b1:package', 'b1:install', 'a1:populate_sysroot', 'b1:populate_sysroot',
-                        'a1:package_write_ipk_setscene', 'b1:packagedata_setscene', 'b1:package_write_rpm_setscene',
-                        'a1:package_write_rpm_setscene', 'b1:package_write_ipk_setscene', 'a1:packagedata_setscene',
-                        'e1:package_setscene']  + ['e1:' + x for x in self.alltasks]
-            expected.remove('e1:package')
-            self.assertEqual(set(tasks), set(expected))
+    def shutdown(self, tempdir):
+        # Wait for the hashserve socket to disappear else we'll see races with the tempdir cleanup
+        while os.path.exists(tempdir + "/hashserve.sock"):
+            time.sleep(0.5)