decouple js tests from jasmine so that we can generate them in c

moved the c example inside of test file
added a make test

src/__tests__/Layout-test.c

@@ -0,0 +1,34 @@
+
+#include "../Layout.h"
+
+int main()
+{
+  css_node_t *root_node = new_css_node();
+
+  css_node_t *node = root_node;
+  node->style.flex_direction = CSS_FLEX_DIRECTION_ROW;
+  node->style.dimensions[CSS_WIDTH] = 100;
+
+  init_css_node_children(node, 3);
+  css_node_t *outer_node = node;
+  {
+    css_node_t *node = &outer_node->children[0];
+    node->style.dimensions[CSS_HEIGHT] = 50;
+    node->style.align_items = CSS_ALIGN_STRETCH;
+    init_css_node_children(node, 3);
+    css_node_t *outer_node = node;
+    {
+      css_node_t *node = &outer_node->children[0];
+      node->style.dimensions[CSS_WIDTH] = 50;
+    }
+
+    node = &outer_node->children[0];
+  }
+
+  layoutNode(root_node);
+  print_style(root_node, 0);
+  print_layout(root_node, 0);
+
+  free_css_node(node);
+}
+