Revert DEFAULT_TIMEOUT_SEC, changed to using gn builds, updated test sequence order

Author: shaoltan-amazon

.github/workflows/examples-linux-tv-casting-app.yaml

@@ -56,13 +56,19 @@ jobs:
 
             - name: Build Linux tv-app
               run: |
-                  ./scripts/run_in_build_env.sh \
-                    "scripts/examples/gn_build_example.sh examples/tv-app/linux/ out/tv-app"
+                  # ./scripts/run_in_build_env.sh \
+                  #   "scripts/examples/gn_build_example.sh examples/tv-app/linux/ out/tv-app"
+
+                  # Try using the gn build command instead:
+                  gn gen --check --fail-on-unused-args --root=examples/tv-app/linux out/tv-app '--args=chip_crypto="boringssl" is_asan=true is_clang=true'
 
             - name: Build Linux tv-casting-app
               run: |
-                  ./scripts/run_in_build_env.sh \
-                    "scripts/examples/gn_build_example.sh examples/tv-casting-app/linux/ out/tv-casting-app chip_casting_simplified=true"
+                  # ./scripts/run_in_build_env.sh \
+                  #   "scripts/examples/gn_build_example.sh examples/tv-casting-app/linux/ out/tv-casting-app chip_casting_simplified=true"
+
+                  # Try using the gn build command instead:
+                  gn gen --check --fail-on-unused-args --root=examples/tv-casting-app/linux out/tv-casting-app '--args=chip_casting_simplified=true chip_crypto="boringssl" is_asan=true is_clang=true'
 
             - name:
                   Test casting from Linux tv-casting-app to Linux tv-app -

scripts/tests/linux/tv_casting_test_sequence_utils.py

@@ -49,7 +49,7 @@ class Step:
     """
 
     # The maximum default time to wait while parsing for output string(s).
-    DEFAULT_TIMEOUT_SEC = 30
+    DEFAULT_TIMEOUT_SEC = 10
 
     def __init__(
         self,

scripts/tests/linux/tv_casting_test_sequences.py

@@ -229,12 +229,12 @@
             # Validate that pairing succeeded between the tv-casting-app and the tv-app.
             Step(app=App.TV_APP, output_msg=['Secure Pairing Success']),
 
-            # Validate that the connection succeeded in the tv-casting-app output.
-            Step(app=App.TV_CASTING_APP, output_msg=['Successfully connected to CastingPlayer']),
-
             # Validate that commissioning succeeded in the tv-app output.
             Step(app=App.TV_APP, output_msg=['------PROMPT USER: commissioning success']),
 
+            # Validate that the connection succeeded in the tv-casting-app output.
+            Step(app=App.TV_CASTING_APP, output_msg=['Successfully connected to CastingPlayer']),
+
             # Validate that we are able to subscribe to the media playback cluster by reading the CurrentState value and that it matches {ATTRIBUTE_CURRENT_PLAYBACK_STATE}.
             Step(app=App.TV_CASTING_APP, output_msg=[f'Read CurrentState value: {ATTRIBUTE_CURRENT_PLAYBACK_STATE}']),