Added test for wrong logo format.

tests/test_plot/test_yaml_errors.py

@@ -519,3 +519,10 @@ def test_error_int_bom_invalid_col():
     ctx.run(EXIT_BAD_CONFIG)
     assert ctx.search_err("Invalid column name")
     ctx.clean_up()
+
+
+def test_error_int_bom_logo_format():
+    ctx = context.TestContextSCH('test_error_int_bom_logo_format', 'links', 'error_int_bom_logo_format', '')
+    ctx.run(EXIT_BAD_CONFIG)
+    assert ctx.search_err("Only PNG images are supported for the logo")
+    ctx.clean_up()

tests/yaml_samples/error_int_bom_logo_format.kiplot.yaml

@@ -0,0 +1,13 @@
+# Example KiPlot config file
+kiplot:
+  version: 1
+
+outputs:
+  - name: 'bom_internal'
+    comment: "Bill of Materials in CSV format"
+    type: bom
+    dir: BoM
+    options:
+      html:
+        logo: 'README.md'
+