Revert ".travis.yml: fix syntax."

This reverts commit 66a2254.

Addressed to #631
The issue with truncated logs will be solved by another way.

Author: php-coder

.travis.yml

@@ -42,10 +42,10 @@ after_failure:
   # In order to be able debug robot framework test flakes we need to have a report.
   # Just encode it to a gzipped binary form and dump to console.
   - if fgrep -qs 'status="FAIL"' target/robotframework-reports/output.xml; then
-      echo "===== REPORT START =====";
-      cat target/robotframework-reports/output.xml | gzip -c | base64;
-      echo "===== REPORT END =====";
-    fi
+          echo "===== REPORT START ====="
+          cat target/robotframework-reports/output.xml | gzip -c | base64
+          echo "===== REPORT END ====="
+  fi
 
 after_success:
   - if [ "$SPRING_PROFILES_ACTIVE" = 'travis' ]; then