refactor(ext/fetch): align error messages (#25374)

Aligns the error messages in the ext/fetch folder to be in-line with the
Deno style guide.

https://github.com/denoland/deno/issues/25269

4 files changed, 6 insertions, 6 deletions

diff --git a/tests/unit/cache_api_test.ts b/tests/unit/cache_api_test.ts
index 792929870..08f768e33 100644
--- a/tests/unit/cache_api_test.ts
+++ b/tests/unit/cache_api_test.ts
@@ -118,7 +118,7 @@ Deno.test(async function cachePutReaderLock() {
       await response.arrayBuffer();
     },
     TypeError,
-    "Body already consumed.",
+    "Body already consumed",
   );
 
   await promise;
diff --git a/tests/unit/fetch_test.ts b/tests/unit/fetch_test.ts
index 721b6912d..35d5e563f 100644
--- a/tests/unit/fetch_test.ts
+++ b/tests/unit/fetch_test.ts
@@ -1131,7 +1131,7 @@ Deno.test(function fetchResponseConstructorInvalidStatus() {
       assert(e instanceof RangeError);
       assert(
         e.message.endsWith(
-          "is not equal to 101 and outside the range [200, 599].",
+          "is not equal to 101 and outside the range [200, 599]",
         ),
       );
     }
@@ -1662,7 +1662,7 @@ Deno.test(
         );
       },
       TypeError,
-      "Fetching files only supports the GET method. Received POST.",
+      "Fetching files only supports the GET method: received POST",
     );
   },
 );
diff --git a/tests/unit/headers_test.ts b/tests/unit/headers_test.ts
index ad453b67f..ea72f784b 100644
--- a/tests/unit/headers_test.ts
+++ b/tests/unit/headers_test.ts
@@ -406,11 +406,11 @@ Deno.test(function invalidHeadersFlaky() {
   assertThrows(
     () => new Headers([["x", "\u0000x"]]),
     TypeError,
-    "Header value is not valid.",
+    'Invalid header value: "\u0000x"',
   );
   assertThrows(
     () => new Headers([["x", "\u0000x"]]),
     TypeError,
-    "Header value is not valid.",
+    'Invalid header value: "\u0000x"',
   );
 });
diff --git a/tests/unit/wasm_test.ts b/tests/unit/wasm_test.ts
index fab9c9308..e0db41ed0 100644
--- a/tests/unit/wasm_test.ts
+++ b/tests/unit/wasm_test.ts
@@ -53,7 +53,7 @@ Deno.test(
     await assertRejects(
       () => wasmPromise,
       TypeError,
-      "Invalid WebAssembly content type.",
+      "Invalid WebAssembly content type",
     );
   },
 );