Change test exception

Author: benaadams

test/Microsoft.AspNetCore.Server.KestrelTests/FrameResponseHeadersTests.cs

@@ -102,7 +102,7 @@ public void ThrowsWhenAddingHeaderAfterReadOnlyIsSet()
             var headers = new FrameResponseHeaders();
             headers.SetReadOnly();
 
-            Assert.Throws<InvalidOperationException>(() => ((IDictionary<string, StringValues>)headers).Add("my-header", new[] { "value" }));
+            Assert.Throws<BadHttpResponseException>(() => ((IDictionary<string, StringValues>)headers).Add("my-header", new[] { "value" }));
         }
 
         [Fact]
@@ -113,7 +113,7 @@ public void ThrowsWhenChangingHeaderAfterReadOnlyIsSet()
             dictionary.Add("my-header", new[] { "value" });
             headers.SetReadOnly();
 
-            Assert.Throws<InvalidOperationException>(() => dictionary["my-header"] = "other-value");
+            Assert.Throws<BadHttpResponseException>(() => dictionary["my-header"] = "other-value");
         }
 
         [Fact]
@@ -124,7 +124,7 @@ public void ThrowsWhenRemovingHeaderAfterReadOnlyIsSet()
             dictionary.Add("my-header", new[] { "value" });
             headers.SetReadOnly();
 
-            Assert.Throws<InvalidOperationException>(() => dictionary.Remove("my-header"));
+            Assert.Throws<BadHttpResponseException>(() => dictionary.Remove("my-header"));
         }
 
         [Fact]
@@ -135,7 +135,7 @@ public void ThrowsWhenClearingHeadersAfterReadOnlyIsSet()
             dictionary.Add("my-header", new[] { "value" });
             headers.SetReadOnly();
 
-            Assert.Throws<InvalidOperationException>(() => dictionary.Clear());
+            Assert.Throws<BadHttpResponseException>(() => dictionary.Clear());
         }
     }
 }

test/Microsoft.AspNetCore.Server.KestrelTests/FrameTests.cs

@@ -415,7 +415,7 @@ public void ThrowsWhenStatusCodeIsSetAfterResponseStarted()
 
             // Assert
             Assert.True(frame.HasResponseStarted);
-            Assert.Throws<InvalidOperationException>(() => ((IHttpResponseFeature)frame).StatusCode = 404);
+            Assert.Throws<BadHttpResponseException>(() => ((IHttpResponseFeature)frame).StatusCode = 404);
         }
 
         [Fact]
@@ -437,7 +437,7 @@ public void ThrowsWhenReasonPhraseIsSetAfterResponseStarted()
 
             // Assert
             Assert.True(frame.HasResponseStarted);
-            Assert.Throws<InvalidOperationException>(() => ((IHttpResponseFeature)frame).ReasonPhrase = "Reason phrase");
+            Assert.Throws<BadHttpResponseException>(() => ((IHttpResponseFeature)frame).ReasonPhrase = "Reason phrase");
         }
 
         [Fact]