test: add util_inspect_error snapshot fixture

Author: Vansh1811

test/fixtures/util/util_inspect_error.snapshot

@@ -0,0 +1,59 @@
+{ err:
+   Error: foo
+   bar
+       at *util_inspect_error*
+       at *
+       at *
+       at *
+       at *
+       at *
+       at *
+       at *
+  nested:
+   { err:
+       Error: foo
+       bar
+           at *util_inspect_error*
+           at *
+           at *
+           at *
+           at *
+           at *
+           at *
+           at * } }
+{
+  err: Error: foo
+  bar
+      at *util_inspect_error*
+      at *
+      at *
+      at *
+      at *
+      at *
+      at *
+      at *,
+  nested: {
+    err: Error: foo
+    bar
+        at *util_inspect_error*
+        at *
+        at *
+        at *
+        at *
+        at *
+        at *
+        at *
+  }
+}
+Error: foo
+bar
+    at *util_inspect_error*
+    at *
+    at *
+    at *
+    at *
+    at *
+    at *
+    at * {
+  foo: 'bar'
+}