Merge branch 'develop' into 6637-add-new-participant-types-to-sequence-diagrams

cypress/integration/rendering/block.spec.js

@@ -393,6 +393,17 @@ describe('Block diagram', () => {
   overflow:3
   short:1
   also_overflow:2
+`,
+      {}
+    );
+  });
+
+  it('BL31: edge without arrow syntax should render with no arrowheads', () => {
+    imgSnapshotTest(
+      `block-beta
+  a
+  b
+  a --- b
 `,
       {}
     );