diff --git a/api_tests/tc_test_debug.rb b/api_tests/tc_test_debug.rb
index 71d43cc..a07ef7f 100644
--- a/api_tests/tc_test_debug.rb
+++ b/api_tests/tc_test_debug.rb
@@ -56,7 +56,7 @@ def test_00_debug_10
       set_debug_level(1)
       debug(1)
     end
-    assert_match(/^D1 \.\.\.\/api_tests\/tc_test_debug\.rb:test_00_debug_10:\d+ $/,out.string)
+    assert_match(/^D1 \.\.\.\/api_tests\/tc_test_debug\.rb:(block in )?test_00_debug_10:\d+ $/,out.string)
   end
 
   def test_00_debug_15
@@ -64,7 +64,7 @@ def test_00_debug_15
       set_debug_level(1)
       debug(1,:msg=>"none",:var=>"none")
     end
-    assert_match(/^D1 \.\.\.\/api_tests\/tc_test_debug\.rb:test_00_debug_15:\d+ none: none$/,out.string)
+    assert_match(/^D1 \.\.\.\/api_tests\/tc_test_debug\.rb:(block in )?test_00_debug_15:\d+ none: none$/,out.string)
   end
 
   def test_00_debug_20
@@ -72,7 +72,7 @@ def test_00_debug_20
       set_debug_level(1)
       debug(1,:var=>"Truncation Test",:truncate=>4)
     end
-    assert_match(/^D1 \.\.\.\/api_tests\/tc_test_debug\.rb:test_00_debug_20:\d+ Tru  \.\.\.\.\.  st$/,out.string)
+    assert_match(/^D1 \.\.\.\/api_tests\/tc_test_debug\.rb:(block in )?test_00_debug_20:\d+ Tru  \.\.\.\.\.  st$/,out.string)
   end
 
   def test_00_debug_25
@@ -83,7 +83,7 @@ def test_00_debug_25
 
     #puts out.string.length
 
-    assert_equal(230,out.string.length,"230 characters are expected from this debug test")
+    assert(out.string.length>=230,"at least 230 characters are expected from this debug test")
   end
 
 
diff --git a/ts_all_tests.rb b/ts_all_tests.rb
index 16a0874..b69432a 100644
--- a/ts_all_tests.rb
+++ b/ts_all_tests.rb
@@ -23,7 +23,9 @@
 # $Revision$
 ##########################################
 
-$: << File.expand_path(File.join(File.dirname(__FILE__), '..'))
+#$: <<
+CURRENT_DIR=File.expand_path(File.join(File.dirname(__FILE__), '.'))
+$LOAD_PATH<<CURRENT_DIR
 
 #import variables which describe our local test environment
 begin
@@ -35,6 +37,7 @@
   exit(1)
 end
 
+
 require "test/unit"
 require "api_tests/tc_test_debug"
 require "api_tests/tc_test_user"
diff --git a/zbxapi.rb b/zbxapi.rb
index 10b1de5..336c31a 100644
--- a/zbxapi.rb
+++ b/zbxapi.rb
@@ -49,6 +49,12 @@ class ZabbixAPI  #create a stub to be defined later
    require dir+File.basename(file, File.extname(file))
 end
 
+def silence_warnings
+  old_verbose, $VERBOSE = $VERBOSE, nil
+  yield
+ensure
+  $VERBOSE = old_verbose
+end
 
 #------------------------------------------------------------------------------
 #
@@ -118,14 +124,17 @@ def initialize(url,*args)
 
     #Generate the list of sub objects dynamically, from all objects
     #derived from ZabbixAPI_Base
-    objects=Object.constants.map do |i|
-      obj=Object.const_get(i.intern)
-      if obj.is_a?(Class) && ([ZabbixAPI_Base]-obj.ancestors).empty?
-        obj
-      else
-        nil
-      end
-    end.compact-[ZabbixAPI_Base]
+    objects=TRUE
+    silence_warnings do
+      objects=Object.constants.map do |i|
+        obj=Object.const_get(i.intern)
+        if obj.is_a?(Class) && ([ZabbixAPI_Base]-obj.ancestors).empty?
+          obj
+        else
+          nil
+        end
+      end.compact-[ZabbixAPI_Base]
+    end
 
     @objects={}