diff --git a/tests/scripts/scripts/00-test-linking-non-default-device-node.lua b/tests/scripts/scripts/00-test-linking-non-default-device-node.lua
index a14927b3..9a124165 100644
--- a/tests/scripts/scripts/00-test-linking-non-default-device-node.lua
+++ b/tests/scripts/scripts/00-test-linking-non-default-device-node.lua
@@ -25,7 +25,7 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       tu.createStreamNode ("playback")
     end
   end
diff --git a/tests/scripts/scripts/01-test-linking-non-default-device-node-capture.lua b/tests/scripts/scripts/01-test-linking-non-default-device-node-capture.lua
index 75bf9614..69926e1c 100644
--- a/tests/scripts/scripts/01-test-linking-non-default-device-node-capture.lua
+++ b/tests/scripts/scripts/01-test-linking-non-default-device-node-capture.lua
@@ -24,7 +24,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       tu.createStreamNode ("capture")
     end
   end
diff --git a/tests/scripts/scripts/02-test-linking-default-device-node.lua b/tests/scripts/scripts/02-test-linking-default-device-node.lua
index dc6a65a6..e657f089 100644
--- a/tests/scripts/scripts/02-test-linking-default-device-node.lua
+++ b/tests/scripts/scripts/02-test-linking-default-device-node.lua
@@ -26,7 +26,7 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       tu.createStreamNode ("playback")
     end
   end
diff --git a/tests/scripts/scripts/03-test-linking-default-device-node-capture.lua b/tests/scripts/scripts/03-test-linking-default-device-node-capture.lua
index 50ae7109..b334897a 100644
--- a/tests/scripts/scripts/03-test-linking-default-device-node-capture.lua
+++ b/tests/scripts/scripts/03-test-linking-default-device-node-capture.lua
@@ -26,7 +26,7 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       tu.createStreamNode ("capture")
     end
   end
diff --git a/tests/scripts/scripts/04-test-linking-defined-device-node-target-object-string.lua b/tests/scripts/scripts/04-test-linking-defined-device-node-target-object-string.lua
index 6d4c73b3..52b19fda 100644
--- a/tests/scripts/scripts/04-test-linking-defined-device-node-target-object-string.lua
+++ b/tests/scripts/scripts/04-test-linking-defined-device-node-target-object-string.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["target.object"] = tu.lnkbls ["defined-device-node"].properties ["node.id"]
       }
diff --git a/tests/scripts/scripts/05-test-linking-defined-device-node-target-object-int.lua b/tests/scripts/scripts/05-test-linking-defined-device-node-target-object-int.lua
index 6f3252ef..7d7a0042 100644
--- a/tests/scripts/scripts/05-test-linking-defined-device-node-target-object-int.lua
+++ b/tests/scripts/scripts/05-test-linking-defined-device-node-target-object-int.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["target.object"] = tonumber (tu.lnkbls ["defined-device-node"].properties ["node.id"]),
       }
diff --git a/tests/scripts/scripts/06-test-linking-defined-device-node-target-object-name.lua b/tests/scripts/scripts/06-test-linking-defined-device-node-target-object-name.lua
index f1446158..12d8aacf 100644
--- a/tests/scripts/scripts/06-test-linking-defined-device-node-target-object-name.lua
+++ b/tests/scripts/scripts/06-test-linking-defined-device-node-target-object-name.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["target.object"] = tu.lnkbls ["defined-device-node"].properties ["node.name"]
       }
diff --git a/tests/scripts/scripts/07-test-linking-defined-device-node-target-object-string-capture.lua b/tests/scripts/scripts/07-test-linking-defined-device-node-target-object-string-capture.lua
index 88b132d9..c8ff812e 100644
--- a/tests/scripts/scripts/07-test-linking-defined-device-node-target-object-string-capture.lua
+++ b/tests/scripts/scripts/07-test-linking-defined-device-node-target-object-string-capture.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["target.object"] = tu.lnkbls ["defined-device-node"].properties ["node.id"]
       }
diff --git a/tests/scripts/scripts/08-test-linking-defined-device-node-target-object-int-capture.lua b/tests/scripts/scripts/08-test-linking-defined-device-node-target-object-int-capture.lua
index fb766f77..8eaa7c1e 100644
--- a/tests/scripts/scripts/08-test-linking-defined-device-node-target-object-int-capture.lua
+++ b/tests/scripts/scripts/08-test-linking-defined-device-node-target-object-int-capture.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["target.object"] = tonumber (tu.lnkbls ["defined-device-node"].properties ["node.id"]),
       }
diff --git a/tests/scripts/scripts/09-test-linking-defined-device-node-target-object-name-capture.lua b/tests/scripts/scripts/09-test-linking-defined-device-node-target-object-name-capture.lua
index 749ccbbf..e2627420 100644
--- a/tests/scripts/scripts/09-test-linking-defined-device-node-target-object-name-capture.lua
+++ b/tests/scripts/scripts/09-test-linking-defined-device-node-target-object-name-capture.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["target.object"] = tu.lnkbls ["defined-device-node"].properties ["node.name"]
       }
diff --git a/tests/scripts/scripts/10-test-linking-defined-device-node-node-target.lua b/tests/scripts/scripts/10-test-linking-defined-device-node-node-target.lua
index d146b10f..3ace38d2 100644
--- a/tests/scripts/scripts/10-test-linking-defined-device-node-node-target.lua
+++ b/tests/scripts/scripts/10-test-linking-defined-device-node-node-target.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["node.target"] = tu.lnkbls ["defined-device-node"].properties ["node.id"]
       }
diff --git a/tests/scripts/scripts/11-test-linking-defined-device-node-node-target-capture.lua b/tests/scripts/scripts/11-test-linking-defined-device-node-node-target-capture.lua
index 7b0dc283..91037d4d 100644
--- a/tests/scripts/scripts/11-test-linking-defined-device-node-node-target-capture.lua
+++ b/tests/scripts/scripts/11-test-linking-defined-device-node-node-target-capture.lua
@@ -27,7 +27,7 @@ SimpleEventHook {
   execute = function (event)
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       local props = {
         ["node.target"] = tu.lnkbls ["defined-device-node"].properties ["node.id"]
       }
diff --git a/tests/scripts/scripts/12-test-linking-defined-device-node-target-node-metadata.lua b/tests/scripts/scripts/12-test-linking-defined-device-node-target-node-metadata.lua
index 8300f0d8..0249ad80 100644
--- a/tests/scripts/scripts/12-test-linking-defined-device-node-target-node-metadata.lua
+++ b/tests/scripts/scripts/12-test-linking-defined-device-node-target-node-metadata.lua
@@ -28,12 +28,12 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       -- all linkables created execept stream-node
       tu.createStreamNode ("playback")
-    elseif tu.linkables_ready () and tu.lnkbls ["stream-node"] then
+    elseif tu.linkablesReady () and tu.lnkbls ["stream-node"] then
       -- when "stream-node" linkable is ready
-      tu.set_target_in_metadata ("target.node", "defined-device-node")
+      tu.setTargetInMetadata ("target.node", "defined-device-node")
     end
   end
 }:register ()
@@ -51,8 +51,8 @@ SimpleEventHook {
     },
   },
   execute = function (event)
-    if tu.linkables_ready () then
-      tu.set_target_in_metadata ("target.node", "defined-device-node")
+    if tu.linkablesReady () then
+      tu.setTargetInMetadata ("target.node", "defined-device-node")
     end
   end
 }:register ()
diff --git a/tests/scripts/scripts/13-test-linking-defined-device-node-target-node-metadata-capture.lua b/tests/scripts/scripts/13-test-linking-defined-device-node-target-node-metadata-capture.lua
index d70bca19..5b7ce8a9 100644
--- a/tests/scripts/scripts/13-test-linking-defined-device-node-target-node-metadata-capture.lua
+++ b/tests/scripts/scripts/13-test-linking-defined-device-node-target-node-metadata-capture.lua
@@ -28,12 +28,12 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       -- all linkables created execept stream-node
       tu.createStreamNode ("capture")
-    elseif tu.linkables_ready () and tu.lnkbls ["stream-node"] then
+    elseif tu.linkablesReady () and tu.lnkbls ["stream-node"] then
       -- when "stream-node" linkable is ready
-      tu.set_target_in_metadata ("target.node", "defined-device-node")
+      tu.setTargetInMetadata ("target.node", "defined-device-node")
     end
   end
 }:register ()
diff --git a/tests/scripts/scripts/14-test-linking-defined-device-node-target-object-metadata.lua b/tests/scripts/scripts/14-test-linking-defined-device-node-target-object-metadata.lua
index 4f03b3ff..7eb7b471 100644
--- a/tests/scripts/scripts/14-test-linking-defined-device-node-target-object-metadata.lua
+++ b/tests/scripts/scripts/14-test-linking-defined-device-node-target-object-metadata.lua
@@ -28,12 +28,12 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       -- all linkables created execept stream-node
       tu.createStreamNode ("playback")
-    elseif tu.linkables_ready () and tu.lnkbls ["stream-node"] then
+    elseif tu.linkablesReady () and tu.lnkbls ["stream-node"] then
       -- when "stream-node" linkable is ready
-      tu.set_target_in_metadata ("target.object", "defined-device-node")
+      tu.setTargetInMetadata ("target.object", "defined-device-node")
     end
   end
 }:register ()
diff --git a/tests/scripts/scripts/15-test-linking-defined-device-node-target-object-metadata-capture.lua b/tests/scripts/scripts/15-test-linking-defined-device-node-target-object-metadata-capture.lua
index e1ea9dee..ef445094 100644
--- a/tests/scripts/scripts/15-test-linking-defined-device-node-target-object-metadata-capture.lua
+++ b/tests/scripts/scripts/15-test-linking-defined-device-node-target-object-metadata-capture.lua
@@ -28,12 +28,12 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       -- all linkables created execept stream-node
       tu.createStreamNode ("capture")
-    elseif tu.linkables_ready () and tu.lnkbls ["stream-node"] then
+    elseif tu.linkablesReady () and tu.lnkbls ["stream-node"] then
       -- when "stream-node" linkable is ready
-      tu.set_target_in_metadata ("target.object", "defined-device-node")
+      tu.setTargetInMetadata ("target.object", "defined-device-node")
     end
   end
 }:register ()
diff --git a/tests/scripts/scripts/16-test-linking-defined-device-node-target-object-int-metadata.lua b/tests/scripts/scripts/16-test-linking-defined-device-node-target-object-int-metadata.lua
index 73243023..61c4c950 100644
--- a/tests/scripts/scripts/16-test-linking-defined-device-node-target-object-int-metadata.lua
+++ b/tests/scripts/scripts/16-test-linking-defined-device-node-target-object-int-metadata.lua
@@ -29,15 +29,15 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       -- all linkables created execept stream-node
       local props = {
         ["target.object"] = tu.lnkbls ["defined-device-node-in-props"].properties ["node.id"]
       }
       tu.createStreamNode ("playback", props)
-    elseif tu.linkables_ready () and tu.lnkbls ["stream-node"] then
+    elseif tu.linkablesReady () and tu.lnkbls ["stream-node"] then
       -- when "stream-node" linkable is ready
-      tu.set_target_in_metadata ("target.object", "defined-device-node-in-metadata")
+      tu.setTargetInMetadata ("target.object", "defined-device-node-in-metadata")
     end
   end
 }:register ()
diff --git a/tests/scripts/scripts/17-test-linking-defined-device-node-target-object-int-metadata-capture.lua b/tests/scripts/scripts/17-test-linking-defined-device-node-target-object-int-metadata-capture.lua
index 699fe01d..af34a642 100644
--- a/tests/scripts/scripts/17-test-linking-defined-device-node-target-object-int-metadata-capture.lua
+++ b/tests/scripts/scripts/17-test-linking-defined-device-node-target-object-int-metadata-capture.lua
@@ -29,15 +29,15 @@ SimpleEventHook {
     local lnkbl = event:get_subject ()
     local name = lnkbl.properties ["node.name"]
 
-    if tu.linkables_ready () and name ~= "stream-node" then
+    if tu.linkablesReady () and name ~= "stream-node" then
       -- all linkables created execept stream-node
       local props = {
         ["target.object"] = tu.lnkbls ["defined-device-node-in-props"].properties ["node.id"]
       }
       tu.createStreamNode ("capture", props)
-    elseif tu.linkables_ready () and tu.lnkbls ["stream-node"] then
+    elseif tu.linkablesReady () and tu.lnkbls ["stream-node"] then
       -- when "stream-node" linkable is ready
-      tu.set_target_in_metadata ("target.object", "defined-device-node-in-metadata")
+      tu.setTargetInMetadata ("target.object", "defined-device-node-in-metadata")
     end
   end
 }:register ()
diff --git a/tests/scripts/scripts/lib/test-utils.lua b/tests/scripts/scripts/lib/test-utils.lua
index cb9b4ec5..e89a3056 100644
--- a/tests/scripts/scripts/lib/test-utils.lua
+++ b/tests/scripts/scripts/lib/test-utils.lua
@@ -90,12 +90,12 @@ u.metadata = cu.default_metadata_om:lookup ()
 assert (u.metadata ~= nil)
 
 -- update the defined target for stream session item in metadata.
-function u.set_target_in_metadata (prop, target_node_name)
+function u.setTargetInMetadata (prop, target_node_name)
   u.metadata:set (u.lnkbls ["stream-node"].properties ["node.id"], prop,
       "Spa:Id", u.lnkbls [target_node_name].properties ["node.id"])
 end
 
-function u.linkables_ready ()
+function u.linkablesReady ()
   local count = 0
   for k, v in pairs (u.lnkbls) do
     if v then