test(preconditions): fix test case

Author: TomokiMiyauci

preconditions/if_match_test.ts

@@ -30,10 +30,11 @@ describe("IfMatch", () => {
           new Response(null, { headers: { [RepresentationHeader.ETag]: "" } }),
         ],
         [
-          new Request("test:"),
+          new Request("test:", {
+            headers: { [ConditionalHeader.IfMatch]: "" },
+          }),
           new Response(null, {
             headers: {
-              [ConditionalHeader.IfMatch]: "",
               [RepresentationHeader.ETag]: "",
             },
           }),

preconditions/if_modified_since_test.ts

@@ -78,10 +78,11 @@ describe("IfModifiedSince", () => {
           }),
         ],
         [
-          new Request("test:"),
+          new Request("test:", {
+            headers: { [ConditionalHeader.IfModifiedSince]: "" },
+          }),
           new Response(null, {
             headers: {
-              [ConditionalHeader.IfModifiedSince]: "",
               [RepresentationHeader.LastModified]: "",
             },
           }),

preconditions/if_none_match_test.ts

@@ -31,10 +31,11 @@ describe("IfNoneMatch", () => {
           new Response(null, { headers: { [RepresentationHeader.ETag]: "" } }),
         ],
         [
-          new Request("test:"),
+          new Request("test:", {
+            headers: { [ConditionalHeader.IfNoneMatch]: "" },
+          }),
           new Response(null, {
             headers: {
-              [ConditionalHeader.IfNoneMatch]: "",
               [RepresentationHeader.ETag]: "",
             },
           }),