HTX bootme error log check every loop cycle

Fixes:
    - Added error log checking.
    - Delete error log as part of test setup.
    - Keyword name changes for setup and teardown.

Change-Id: I92e97d7f41ae240cab71733a728d67716460eb62
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/systest/gpu_stress_test.robot b/systest/gpu_stress_test.robot
index 9a40951..40cfc50 100644
--- a/systest/gpu_stress_test.robot
+++ b/systest/gpu_stress_test.robot
@@ -4,7 +4,7 @@
 Resource         ../syslib/utils_os.robot
 
 Suite Setup      Run Keyword  Start SOL Console Logging
-Test Setup       Pre Test Case Execution
+Test Setup       Test Setup Execution
 Test Teardown    Test Teardown Execution
 Suite Teardown   Suite Teardown Execution