validate:launcher: Launch tests in _TestsLauncher not in TestsManagaer

So that Test from several TestManager can run in parallel and thus avoid
waiting for tests from one TestManager to run the following one.,

Also by design TestsLauncher should always have been the responsible for
... launching tests.

.gitignore

@@ -21,3 +21,4 @@
 .#*
 tags
 build*
+mesonbuild*

validate/launcher/baseclasses.py

@@ -1050,10 +1050,6 @@ class TestsManager(Loggable):
         self.wanted_tests_patterns = []
         self.blacklisted_tests_patterns = []
         self._generators = []
-        self.queue = queue.Queue()
-        self.jobs = []
-        self.total_num_tests = 0
-        self.starting_test_num = 0
         self.check_testslist = True
         self.all_tests = None
         self.expected_failures = {}
@@ -1239,87 +1235,6 @@ class TestsManager(Loggable):
 
         return False
 
-    def test_wait(self):
-        while True:
-            # Check process every second for timeout
-            try:
-                self.queue.get(timeout=1)
-            except queue.Empty:
-                pass
-
-            for test in self.jobs:
-                if test.process_update():
-                    self.jobs.remove(test)
-                    return test
-
-    def tests_wait(self):
-        try:
-            test = self.test_wait()
-            test.check_results()
-        except KeyboardInterrupt:
-            for test in self.jobs:
-                test.kill_subprocess()
-            raise
-
-        return test
-
-    def start_new_job(self, tests_left):
-        try:
-            test = tests_left.pop(0)
-        except IndexError:
-            return False
-
-        self.print_test_num(test)
-        test.test_start(self.queue)
-
-        self.jobs.append(test)
-
-        return True
-
-    def run_tests(self, starting_test_num, total_num_tests):
-        self.total_num_tests = total_num_tests
-        self.starting_test_num = starting_test_num
-
-        alone_tests = []
-        tests = []
-        for test in self.tests:
-            if test.is_parallel:
-                tests.append(test)
-            else:
-                alone_tests.append(test)
-
-        max_num_jobs = min(self.options.num_jobs, len(tests))
-        jobs_running = 0
-
-        for num_jobs, tests in [(max_num_jobs, tests), (1, alone_tests)]:
-            tests_left = list(tests)
-            for i in range(num_jobs):
-                if not self.start_new_job(tests_left):
-                    break
-                jobs_running += 1
-
-            while jobs_running != 0:
-                test = self.tests_wait()
-                jobs_running -= 1
-                self.print_test_num(test)
-                res = test.test_end()
-                self.reporter.after_test(test)
-                if res != Result.PASSED and (self.options.forever or
-                                            self.options.fatal_error):
-                    return test.result
-                if self.start_new_job(tests_left):
-                    jobs_running += 1
-
-        return Result.PASSED
-
-    def print_test_num(self, test):
-        cur_test_num = self.starting_test_num + self.tests.index(test) + 1
-        sys.stdout.write("[%d / %d] " % (cur_test_num, self.total_num_tests))
-
-    def clean_tests(self):
-        for test in self.tests:
-            test.clean()
-
     def needs_http_server(self):
         return False
 
@@ -1375,6 +1290,10 @@ class _TestsLauncher(Loggable):
         self.all_tests = None
         self.wanted_tests_patterns = []
 
+        self.queue = queue.Queue()
+        self.jobs = []
+        self.total_num_tests = 0
+
     def _list_app_dirs(self):
         app_dirs = []
         app_dirs.append(os.path.join(self.libsdir, "apps"))
@@ -1627,6 +1546,47 @@ class _TestsLauncher(Loggable):
                 return True
         return False
 
+    def print_test_num(self, test):
+        cur_test_num = self.tests.index(test) + 1
+        sys.stdout.write("[%d / %d] " % (cur_test_num, self.total_num_tests))
+
+    def test_wait(self):
+        while True:
+            # Check process every second for timeout
+            try:
+                self.queue.get(timeout=1)
+            except queue.Empty:
+                pass
+
+            for test in self.jobs:
+                if test.process_update():
+                    self.jobs.remove(test)
+                    return test
+
+    def tests_wait(self):
+        try:
+            test = self.test_wait()
+            test.check_results()
+        except KeyboardInterrupt:
+            for test in self.jobs:
+                test.kill_subprocess()
+            raise
+
+        return test
+
+    def start_new_job(self, tests_left):
+        try:
+            test = tests_left.pop(0)
+        except IndexError:
+            return False
+
+        self.print_test_num(test)
+        test.test_start(self.queue)
+
+        self.jobs.append(test)
+
+        return True
+
     def _run_tests(self):
         cur_test_num = 0
 
@@ -1635,23 +1595,44 @@ class _TestsLauncher(Loggable):
             if all_tests == -1:
                 return False
             self.all_tests = all_tests
-        total_num_tests = len(self.all_tests)
+        self.total_num_tests = len(self.all_tests)
 
         self.reporter.init_timer()
-        for tester in self.testers:
+        alone_tests = []
-            if not self._tester_needed(tester):
+        tests = []
-                continue
+        for test in self.tests:
-            res = tester.run_tests(cur_test_num, total_num_tests)
+            if test.is_parallel:
-            cur_test_num += len(tester.list_tests())
+                tests.append(test)
-            if res != Result.PASSED and (self.options.forever or
+            else:
-                                         self.options.fatal_error):
+                alone_tests.append(test)
-                return False
+
+        max_num_jobs = min(self.options.num_jobs, len(tests))
+        jobs_running = 0
+
+        for num_jobs, tests in [(max_num_jobs, tests), (1, alone_tests)]:
+            tests_left = list(tests)
+            for i in range(num_jobs):
+                if not self.start_new_job(tests_left):
+                    break
+                jobs_running += 1
+
+            while jobs_running != 0:
+                test = self.tests_wait()
+                jobs_running -= 1
+                self.print_test_num(test)
+                res = test.test_end()
+                self.reporter.after_test(test)
+                if res != Result.PASSED and (self.options.forever or
+                                            self.options.fatal_error):
+                    return test.result
+                if self.start_new_job(tests_left):
+                    jobs_running += 1
 
         return True
 
     def clean_tests(self):
-        for tester in self.testers:
+        for test in self.tests:
-            tester.clean_tests()
+            test.clean()
 
     def run_tests(self):
         if self.options.forever: