Store artifacts from the remote Jenkins slave if present

- collect artifacts from the remote Jenkins slave
  if $jenkins_slave_node_name != ${NODE_NAME}

- store py.test logs into files with different names to
  avoid overwrites

Change-Id: I1ba4fe425c5400f9095e5cd8b7e3d901be01d288
diff --git a/jobs/pipelines/swarm-testrail-report.groovy b/jobs/pipelines/swarm-testrail-report.groovy
index 42be763..2d2f993 100644
--- a/jobs/pipelines/swarm-testrail-report.groovy
+++ b/jobs/pipelines/swarm-testrail-report.groovy
@@ -87,7 +87,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }
@@ -108,7 +108,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }
@@ -124,7 +124,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }
@@ -150,7 +150,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }
@@ -172,7 +172,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }
@@ -188,7 +188,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }
@@ -210,7 +210,7 @@
                     report_url = report_result.split("\n").each {
                         if (it.contains("[TestRun URL]")) {
                             common.printMsg("Found report URL: " + it.trim().split().last(), "blue")
-                            description += "\n<a href=" + it.trim().split().last() + ">${testSuiteName}</a>"
+                            description += "<a href=" + it.trim().split().last() + ">${testSuiteName}</a><br>"
                         }
                     }
                 }