Remove already covered test cases

Author: kleisauke

tests/core/pthread/test_pthread_exit.c

@@ -8072,14 +8072,6 @@ def test_pthread_create(self):
     self.set_setting('EXIT_RUNTIME')
     self.do_run_in_out_file_test('tests', 'core', 'pthread', 'create.cpp')
 
-  @node_pthreads
-  def test_pthread_create_2(self):
-    self.set_setting('PTHREAD_POOL_SIZE', '8')
-    self.set_setting('EXIT_RUNTIME')
-    if not self.has_changed_setting('INITIAL_MEMORY'):
-      self.set_setting('INITIAL_MEMORY', '64mb')
-    self.do_runf(path_from_root('tests', 'pthread', 'test_pthread_create.cpp'), '')
-
   @node_pthreads
   def test_pthread_c11_threads(self):
     self.set_setting('PROXY_TO_PTHREAD')
@@ -8115,12 +8107,6 @@ def test_pthread_exceptions(self):
     self.emcc_args += ['-fexceptions']
     self.do_run_in_out_file_test('tests', 'core', 'pthread', 'exceptions.cpp')
 
-  @node_pthreads
-  def test_pthread_exit(self):
-    self.set_setting('PTHREAD_POOL_SIZE', '2')
-    self.set_setting('EXIT_RUNTIME')
-    self.do_run_in_out_file_test('tests', 'core', 'pthread', 'test_pthread_exit.c')
-
   @node_pthreads
   def test_pthread_exit_process(self):
     self.set_setting('PROXY_TO_PTHREAD')