Test for presence of protocol, not which one is used in test harness

Author: serialseb

src/Tests/Plugins.ReverseProxy/via_headers/pseudonym_via_header_request_absent.cs

@@ -14,7 +14,7 @@ public async Task rp_is_added()
         .FromServer("/proxy", options=>options.Via.Pseudonym = "componentName")
         .ToServer("/proxied", async ctx => ctx.Request.Headers["Via"])
         .GetAsync("proxy");
-      response.Content.ShouldBe("HTTP/2.0 componentName");
+      response.Content.ShouldMatch("(\\S+) componentName");
     }
   }
 }

src/Tests/Plugins.ReverseProxy/via_headers/pseudonym_via_header_request_present.cs

@@ -15,7 +15,7 @@ public async Task rp_is_appended()
         .ToServer("/proxied", async ctx => ctx.Request.Headers["Via"])
         .AddHeader("Via", "1.1 identifier")
         .GetAsync("proxy");
-      response.Content.ShouldBe("1.1 identifier,HTTP/2.0 componentName");
+      response.Content.ShouldMatch(@"1.1 identifier,(\S+) componentName");
     }
   }
 }