diff --git a/core/tns/tns.py b/core/tns/tns.py
index bec5cd7b..238cc1fc 100644
--- a/core/tns/tns.py
+++ b/core/tns/tns.py
@@ -356,25 +356,21 @@ def build_ios(attributes={}, assert_success=True, tns_path=None):
             emu_folder = app_name + "/platforms/ios/build/emulator/"
             if "--forDevice" in attributes.keys() or "--for-device" in attributes.keys():
                 assert "build/device/" + app_id + ".app" in output
-                assert File.exists(app_name + "/platforms/ios/build/device/" + app_id + ".ipa")
+                assert File.exists(device_folder + app_id + ".ipa")
+                output = File.read(device_folder + app_id + ".app/" + app_id)
                 if "--release" in attributes.keys():
-                    assert not File.pattern_exists(directory=device_folder, pattern="*TKLiveSync*"), \
-                        "TKLiveSync binaries available in release configuration."
+                    assert "TKLiveSync" not in output, "TKLiveSync binaries available in release configuration."
                 else:
-                    pass
-                    # assert File.pattern_exists(directory=device_folder, pattern="*TKLiveSync*"), \
-                    #     "TKLiveSync binaries not available in debug configuration."
+                    assert "TKLiveSync" in output, "TKLiveSync binaries not available in debug configuration."
             else:
                 assert "build/emulator/" + app_id + ".app" in output
-                assert File.exists(app_name + "/platforms/ios/build/emulator/" + app_id + ".app")
                 assert File.exists(app_name + "/platforms/ios/" + app_id + "/" + app_id + "-Prefix.pch")
+                assert File.exists(emu_folder + app_id + ".app")
+                output = File.read(emu_folder + app_id + ".app/" + app_id)
                 if "--release" in attributes.keys():
-                    assert not File.pattern_exists(directory=emu_folder, pattern="*TKLiveSync*"), \
-                        "TKLiveSync binaries available in release configuration."
+                    assert "TKLiveSync" not in output, "TKLiveSync binaries available in release configuration."
                 else:
-                    pass
-                    # assert File.pattern_exists(directory=emu_folder, pattern="*TKLiveSync*"), \
-                    # "TKLiveSync binaries not available in debug configuration."
+                    assert "TKLiveSync" in output, "TKLiveSync binaries not available in debug configuration."
         return output
 
     @staticmethod
diff --git a/tests/build/ios/build_ios_tests.py b/tests/build/ios/build_ios_tests.py
index 9f96285d..a0bac95b 100644
--- a/tests/build/ios/build_ios_tests.py
+++ b/tests/build/ios/build_ios_tests.py
@@ -4,6 +4,7 @@
 import os
 
 from core.base_class.BaseClass import BaseClass
+from core.device.simulator import Simulator
 from core.osutils.command import run
 from core.osutils.file import File
 from core.osutils.folder import Folder
@@ -31,7 +32,7 @@ def setUpClass(cls):
 
     def setUp(self):
         BaseClass.setUp(self)
-
+        Simulator.stop()
         Folder.cleanup(self.app_name_dash)
         Folder.cleanup(self.app_name_space)
         Folder.cleanup(self.app_name_ios)
@@ -40,6 +41,11 @@ def setUp(self):
 
         Folder.cleanup(self.app_name)
 
+    def tearDown(self):
+        BaseClass.tearDown(self)
+        # Uncomment after https://github.com/NativeScript/nativescript-cli/issues/2757 is fixed
+        # assert not Simulator.is_running()[0], "Simulator started after " + self._testMethodName
+
     @classmethod
     def tearDownClass(cls):
         File.remove("TestApp.app")
@@ -84,9 +90,7 @@ def test_201_build_ios_fordevice(self):
 
     def test_211_build_ios_inside_project(self):
         Tns.create_app(self.app_name)
-        Tns.platform_add_ios(attributes={"--path": self.app_name,
-                                         "--frameworkPath": IOS_RUNTIME_PATH
-                                         })
+        Tns.platform_add_ios(attributes={"--path": self.app_name, "--frameworkPath": IOS_RUNTIME_PATH})
         Folder.navigate_to(self.app_name)
         output = Tns.build_ios(tns_path=os.path.join("..", TNS_PATH), attributes={"--path": self.app_name},
                                assert_success=False)