[sdn_tests]: Adding testrunner to pins_ondatra.

sdn_tests/pins_ondatra/infrastructure/testhelper/BUILD.bazel

@@ -19,7 +19,7 @@ go_library(
         "platform_info.go",
         "port_management.go",
 	      "results.go",
-	      "ssh.go",
+      	"ssh.go",
         "//infrastructure/testhelper/platform_info:platform_info",
     ],
     data = [

sdn_tests/pins_ondatra/testrunner.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+test_name=''
+push_config_after_test='false'
+push_config_before_test='false'
+push_config_success='true'
+
+print_usage() {
+  printf "Use:\n\t'-t tests/ondatra:test_name' to run the test.\n\t'-b' to push the switch config before the test.\n\t'-a' to push the config after the test.\n"
+}
+
+while getopts 'abt:' arg; do
+  case "${arg}" in
+    t) test_name="${OPTARG}" ;;
+    a) push_config_after_test='true' ;;
+    b) push_config_before_test='true' ;;
+    *) print_usage
+       exit 1 ;;
+  esac
+done
+
+function push_config() {
+  bazel test --test_output=streamed tests/ondatra:installation_test --test_strategy=exclusive --cache_test_results=no
+  if [ $? -ne 0 ]; then
+      push_config_success='false'
+  fi
+}
+
+# Pushes the config before/after test.
+function run_test() {
+  if [ -z "$test_name" ]; then
+    print_usage
+    exit 1
+  fi
+
+  if [ $push_config_before_test = 'true' ]; then
+    push_config
+  fi
+
+  if [ $push_config_success = 'true' ]; then
+    bazel test --test_output=streamed "$test_name" --test_strategy=exclusive --cache_test_results=no --test_timeout=10000000
+  fi
+
+  if [ $push_config_after_test = 'true' ]; then
+    push_config
+  fi
+}
+
+run_test