added cypress test file for new flowchart shapes

cypress/integration/rendering/newShapes.spec.js

@@ -0,0 +1,52 @@
+import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
+
+describe('newShapes', () => {
+  it('1: should render new triangle shape', () => {
+    imgSnapshotTest(
+      `flowchart
+          BTF --> ADT@{ shape: triangle, label:"This is Sample Label" }@
+        `
+    );
+  });
+
+  it('2: should render new slopedRect shape', () => {
+    imgSnapshotTest(
+      `flowchart
+          GS --> AQ@{ shape: slopedRect, label:"This is Final Label" }@
+          RE --> AQ
+        `,
+      {}
+    );
+  });
+  it('3: should render new FlowChart for New Shapes', () => {
+    renderGraph(
+      `
+    flowchart
+    A@{ shape: stateStart }@
+    B@{ shape: crossedCircle, label: "Start Defining Test Case" }@
+    E@{ shape: waveRectangle, label: "Execute Test Case" }@
+    F@{ shape: slopedRect, label: "Test Passed?" }@
+    G@{ shape: bowTieRect, label: "Pass" }@
+    H@{ shape: dividedRect, label: "Log Defect" }@
+    I@{ shape: curvedTrapezoid, label: "End" }@
+    
+    A --> B
+    B --> E
+    E --> F
+    F -->|Yes| G
+    F -->|No| H
+    G --> I
+    H --> I
+      `,
+      { flowchart: { useMaxWidth: true } }
+    );
+    cy.get('svg').should((svg) => {
+      const style = svg.attr('style');
+      expect(svg).to.have.attr('width', '100%');
+      // use within because the absolute value can be slightly different depending on the environment ±5%
+      expect(style).to.match(/^max-width: [\d.]+px;$/);
+      const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
+      expect(maxWidthValue).to.be.within(250 * 0.95 - 1, 250 * 1.05);
+    });
+  });
+});