diff --git a/src/app/tests/suites/certification/Test_TC_OO_1_1.yaml b/src/app/tests/suites/certification/Test_TC_OO_1_1.yaml
index c653dbb50c5a9f..5b44953041dac7 100644
--- a/src/app/tests/suites/certification/Test_TC_OO_1_1.yaml
+++ b/src/app/tests/suites/certification/Test_TC_OO_1_1.yaml
@@ -80,7 +80,9 @@ tests:
               type: bitmap32
               hasMasksClear: [0x2]
 
-    - label: "Step 3e: Given OO.S.F02(OFFONLY) TH reads from the DUT the FeatureMap attribute."
+    - label:
+          "Step 3e: Given OO.S.F02(OFFONLY) TH reads from the DUT the FeatureMap
+          attribute."
       command: "readAttribute"
       attribute: "FeatureMap"
       PICS: ( OO.S.F02 && !OO.S.F00 && !OO.S.F01 )
@@ -88,7 +90,9 @@ tests:
           constraints:
               type: bitmap32
               hasMasksSet: [0x4]
-    - label: "Step 3f: Given OO.S.F02(OFFONLY) TH reads from the DUT the FeatureMap attribute."
+    - label:
+          "Step 3f: Given OO.S.F02(OFFONLY) TH reads from the DUT the FeatureMap
+          attribute."
       command: "readAttribute"
       attribute: "FeatureMap"
       PICS: ( !( OO.S.F02 && !OO.S.F00 && !OO.S.F01 ) )
diff --git a/src/app/tests/suites/certification/Test_TC_OO_2_1.yaml b/src/app/tests/suites/certification/Test_TC_OO_2_1.yaml
index 42e98d91b59eba..bd6feca4901fc3 100644
--- a/src/app/tests/suites/certification/Test_TC_OO_2_1.yaml
+++ b/src/app/tests/suites/certification/Test_TC_OO_2_1.yaml
@@ -72,7 +72,9 @@ tests:
       response:
           value: 30
 
-    - label: "Step 7: TH writes the OnTime attribute as 'initial-On-time' to restore the original value"
+    - label:
+          "Step 7: TH writes the OnTime attribute as 'initial-On-time' to
+          restore the original value"
       PICS: OO.S.A4001
       command: "writeAttribute"
       attribute: "OnTime"
@@ -104,7 +106,9 @@ tests:
       response:
           value: 30
 
-    - label: "Step 11: TH writes the OffWaitTime attribute as 'initial-Off-waittime' to restore the original value"
+    - label:
+          "Step 11: TH writes the OffWaitTime attribute as
+          'initial-Off-waittime' to restore the original value"
       PICS: OO.S.A4002
       command: "writeAttribute"
       attribute: "OffWaitTime"