increasing timeout on bbsim attworkflow-si states

Change-Id: I7bed9402cd1851493d1353224cea9a7bc6a0210e
diff --git a/src/test/cord-api/Tests/WorkflowValidations/BBSIM.robot b/src/test/cord-api/Tests/WorkflowValidations/BBSIM.robot
index db827fb..dedcd46 100644
--- a/src/test/cord-api/Tests/WorkflowValidations/BBSIM.robot
+++ b/src/test/cord-api/Tests/WorkflowValidations/BBSIM.robot
@@ -50,8 +50,8 @@
     [Documentation]    Validates all service instances per onu devices become "approved" and "dhcpdiscovered"
     [Tags]    serviceinstances
     : FOR    ${onu}    IN    @{serial_numbers}
-    \    Wait Until Keyword Succeeds    120s    2s    Validate ATT Workflow Driver SI    ENABLED    APPROVED    ${onu}
-    \    Wait Until Keyword Succeeds    120s    2s    Validate ATT Workflow Driver SI DHCP State    DHCPACK    ${onu}
+    \    Wait Until Keyword Succeeds    180s    2s    Validate ATT Workflow Driver SI    ENABLED    APPROVED    ${onu}
+    \    Wait Until Keyword Succeeds    240s    2s    Validate ATT Workflow Driver SI DHCP State    DHCPACK    ${onu}
 
 *** Keywords ***
 Setup