Fixes newline spacing for tests

mythril/analysis/templates/report_as_markdown.jinja2

@@ -12,7 +12,6 @@
 ### Description
 
 {{ issue.description }}
-
 {% if issue.filename and issue.lineno -%}
 In file: {{ issue.filename }}:{{ issue.lineno }}
 {%- endif -%}
@@ -30,7 +29,6 @@ In file: {{ issue.filename }}:{{ issue.lineno }}
 
 {{ issue.debug }}
 {%- endif %}
-
 {% endfor -%}
 {%- else -%}
 The analysis was completed successfully. No issues were detected.

mythril/analysis/templates/report_as_text.jinja2

@@ -10,7 +10,8 @@ PC address: {{ issue.address }}
 {% if issue.filename and issue.lineno -%}
 In file: {{ issue.filename }}:{{ issue.lineno }}
 {%- endif %}
-{% if issue.code %}
+{%- if issue.code %}
+
 {{ issue.code }}
 
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