OpenPower update test suite Force tags as per standard

Changes:
   - Update Tags names for the test suite

Note: Refer CONTRIBUTING.md for under Tags section
      documentation.

Tested:
   - NA

Change-Id: Icb3243abf616e2edcc8918c7e404d6e0284da802
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/openpower/ext_interfaces/test_vmi.robot b/openpower/ext_interfaces/test_vmi.robot
index 94f0e25..5e2e9be 100644
--- a/openpower/ext_interfaces/test_vmi.robot
+++ b/openpower/ext_interfaces/test_vmi.robot
@@ -8,7 +8,7 @@
 Test Teardown     FFDC On Test Case Fail
 Suite Teardown    Run Keyword And Ignore Error  Suite Teardown Execution
 
-Force Tags        vmi_interface_test
+Force Tags        Vmi
 
 *** Variables ***
 
diff --git a/openpower/ext_interfaces/test_vmi_multiple_interfaces.robot b/openpower/ext_interfaces/test_vmi_multiple_interfaces.robot
index 51d5ae5..05d1f86 100644
--- a/openpower/ext_interfaces/test_vmi_multiple_interfaces.robot
+++ b/openpower/ext_interfaces/test_vmi_multiple_interfaces.robot
@@ -11,7 +11,7 @@
 Test Teardown     FFDC On Test Case Fail
 Suite Teardown    Run Keyword And Ignore Error  Suite Teardown Execution
 
-Force Tags        vmi_multi_interface_test
+Force Tags        Vmi_Multiple_Interfaces
 
 *** Variables ***
 
diff --git a/openpower/ext_interfaces/test_vmicert_management.robot b/openpower/ext_interfaces/test_vmicert_management.robot
index 6092657..412aaf8 100644
--- a/openpower/ext_interfaces/test_vmicert_management.robot
+++ b/openpower/ext_interfaces/test_vmicert_management.robot
@@ -13,7 +13,7 @@
 Test Teardown     FFDC On Test Case Fail
 Suite Teardown    Run Keyword And Ignore Error  Suite Teardown Execution
 
-Force Tags        vmi_certificate_test
+Force Tags        Vmicert_Management
 
 
 *** Variables ***
diff --git a/openpower/ras/test_host_boot_ras.robot b/openpower/ras/test_host_boot_ras.robot
index f120e1c..ca785c5 100644
--- a/openpower/ras/test_host_boot_ras.robot
+++ b/openpower/ras/test_host_boot_ras.robot
@@ -19,7 +19,7 @@
 Test Teardown       FFDC On Test Case Fail
 Suite Teardown      RAS Suite Cleanup
 
-Force Tags          Host_boot_RAS
+Force Tags          Host_Boot_RAS
 
 *** Variables ***
 ${stack_mode}       normal