diff --git a/src/app/tests/suites/certification/Test_TC_ICDM_1_1.yaml b/src/app/tests/suites/certification/Test_TC_ICDM_1_1.yaml
index 1f40e0cdb01e16..20924a25cae7b0 100755
--- a/src/app/tests/suites/certification/Test_TC_ICDM_1_1.yaml
+++ b/src/app/tests/suites/certification/Test_TC_ICDM_1_1.yaml
@@ -176,7 +176,7 @@ tests:
       verification: |
           ./chip-tool icdmanagement read event-list 1 0
 
-          On TH(chip-tool), Verify that the DUT response provides a list of supported events. 
+          On TH(chip-tool), Verify that the DUT response provides a list of supported events.
           For this cluster the list is usually empty but it can contain manufacturer specific event IDs.
 
 
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 3978eeb80ee4f6..e766d8164ac965 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
@@ -157,7 +157,7 @@ tests:
 
           Verify "EventList" contains a list of supported events, for this cluster the list is emty(0 entries) on the TH(Chip-tool) Log and below is the sample log provided for the raspi platform:
 
-          [1676352490.164738][6271:6273] CHIP:DMG:         SuppressResponse = true, 
+          [1676352490.164738][6271:6273] CHIP:DMG:         SuppressResponse = true,
           [1676352490.164742][6271:6273] CHIP:DMG:         InteractionModelRevision = 1
           [1676352490.164745][6271:6273] CHIP:DMG: }
           [1676352490.164804][6271:6273] CHIP:TOO: Endpoint: 1 Cluster: 0x0000_0006 Attribute 0x0000_FFFA DataVersion: 2406349519
diff --git a/src/app/tests/suites/certification/Test_TC_OPSTATE_1_1.yaml b/src/app/tests/suites/certification/Test_TC_OPSTATE_1_1.yaml
index a2c7bfb0dbb87f..6249d6090fe34c 100644
--- a/src/app/tests/suites/certification/Test_TC_OPSTATE_1_1.yaml
+++ b/src/app/tests/suites/certification/Test_TC_OPSTATE_1_1.yaml
@@ -155,7 +155,7 @@ tests:
       verification: |
           ./chip-tool operationalstate read event-list 1 1
 
-          Verify " EventList attribute " value consists the list of mandatory event (0) and it may include the optional events (1) on the TH(Chip-tool) Log: 
+          Verify " EventList attribute " value consists the list of mandatory event (0) and it may include the optional events (1) on the TH(Chip-tool) Log:
           Below is the sample log provided for the raspi platform:
 
 
diff --git a/src/app/tests/suites/certification/Test_TC_PCC_1_1.yaml b/src/app/tests/suites/certification/Test_TC_PCC_1_1.yaml
index fcf5943f1f5538..931c82a4b28349 100644
--- a/src/app/tests/suites/certification/Test_TC_PCC_1_1.yaml
+++ b/src/app/tests/suites/certification/Test_TC_PCC_1_1.yaml
@@ -608,7 +608,7 @@ tests:
           0xXXXX_FFFF) and (0xFFF1_0000 - 0xFFFF_FFFF), where XXXX is the
           allowed MEI range (0x0001 - 0xFFF1)"
       verification: |
-          ./chip-tool pumpconfigurationandcontrol read event-list 1 1 
+          ./chip-tool pumpconfigurationandcontrol read event-list 1 1
 
           On TH(chip-tool) Verify that the DUT response contains the EventList attribute and have the list of supported events:
           The list MAY include these optional entries:
diff --git a/src/app/tests/suites/certification/Test_TC_RVCOPSTATE_1_1.yaml b/src/app/tests/suites/certification/Test_TC_RVCOPSTATE_1_1.yaml
index 7ef88673b129ff..a059ab92fa9dc9 100644
--- a/src/app/tests/suites/certification/Test_TC_RVCOPSTATE_1_1.yaml
+++ b/src/app/tests/suites/certification/Test_TC_RVCOPSTATE_1_1.yaml
@@ -111,7 +111,7 @@ tests:
       verification: |
           ./chip-tool rvcoperationalstate read event-list 1 1
 
-          Verify "  EventList attribute " value consists the list of mandatory event (0) and it may include the optional events (1) on the TH(Chip-tool) Log: 
+          Verify "  EventList attribute " value consists the list of mandatory event (0) and it may include the optional events (1) on the TH(Chip-tool) Log:
           Below is the sample log provided for the raspi platform:
           [1690201497.386141][14975:14977] CHIP:DMG:         InteractionModelRevision = 1
           [1690201497.386195][14975:14977] CHIP:DMG: }