Tests: minor fixes.

Fixed temporary dir removing.
Fixed printing path to log.
Module checks moved to the separate file.

test/unit/applications/lang/go.py

@@ -6,26 +6,12 @@ from conftest import option
 
 
 class TestApplicationGo(TestApplicationProto):
-    @classmethod
-    def setup_class(cls, complete_check=True):
-        unit = super().setup_class(complete_check=False)
-
-        # check go module
-
-        go_app = TestApplicationGo()
-        go_app.temp_dir = unit.temp_dir
-        proc = go_app.prepare_env('empty', 'app')
-        if proc and proc.returncode == 0:
-            cls.available['modules']['go'] = []
-
-        return unit if not complete_check else unit.complete()
-
     def prepare_env(self, script, name, static=False):
         if not os.path.exists(self.temp_dir + '/go'):
             os.mkdir(self.temp_dir + '/go')
 
         env = os.environ.copy()
-        env['GOPATH'] = self.pardir + '/build/go'
+        env['GOPATH'] = option.current_dir + '/build/go'
 
         if static:
             args = [

test/unit/applications/lang/java.py

@@ -49,10 +49,12 @@ class TestApplicationJava(TestApplicationProto):
             if not os.path.isdir(classes_path):
                 os.makedirs(classes_path)
 
-            classpath = self.pardir + '/build/tomcat-servlet-api-9.0.13.jar'
+            classpath = (
+                option.current_dir + '/build/tomcat-servlet-api-9.0.13.jar'
+            )
 
             ws_jars = glob.glob(
-                self.pardir + '/build/websocket-api-java-*.jar'
+                option.current_dir + '/build/websocket-api-java-*.jar'
             )
 
             if not ws_jars:
@@ -78,7 +80,7 @@ class TestApplicationJava(TestApplicationProto):
                 "listeners": {"*:7080": {"pass": "applications/" + script}},
                 "applications": {
                     script: {
-                        "unit_jars": self.pardir + '/build',
+                        "unit_jars": option.current_dir + '/build',
                         "type": 'java',
                         "processes": {"spare": 0},
                         "working_directory": script_path,

test/unit/applications/lang/node.py

@@ -7,17 +7,6 @@ from conftest import option, public_dir
 
 
 class TestApplicationNode(TestApplicationProto):
-    @classmethod
-    def setup_class(cls, complete_check=True):
-        unit = super().setup_class(complete_check=False)
-
-        # check node module
-
-        if os.path.exists(unit.pardir + '/node/node_modules'):
-            cls.available['modules']['node'] = []
-
-        return unit if not complete_check else unit.complete()
-
     def load(self, script, name='app.js', **kwargs):
         # copy application
 
@@ -28,7 +17,7 @@ class TestApplicationNode(TestApplicationProto):
         # copy modules
 
         shutil.copytree(
-            self.pardir + '/node/node_modules',
+            option.current_dir + '/node/node_modules',
             self.temp_dir + '/node/node_modules',
         )