[s390x] Fix Extensions.ApiDescription.Client tests on s390x (#58235)

* The enumeration of dictionary is undefined according to msdocs.
* Sort the values of the expected and the actual in the test cases.

---------

Co-authored-by: Alexander Köplinger <alex.koeplinger@outlook.com>

Author: saitama951

src/Tools/Extensions.ApiDescription.Client/test/GetOpenApiReferenceMetadataTest.cs

@@ -11,6 +11,11 @@ namespace Microsoft.Extensions.ApiDescription.Client;
 
 public class GetOpenApiReferenceMetadataTest
 {
+    string SortMetadata(string metadata)
+    {
+        return string.Join("|", metadata.Split('|').OrderBy(s => s));
+    }
+
     [Fact]
     public void Execute_AddsExpectedMetadata()
     {
@@ -60,6 +65,8 @@ public void Execute_AddsExpectedMetadata()
             orderedMetadata.Add(key, metadata[key]);
         }
 
+        expectedMetadata["SerializedMetadata"] = SortMetadata(expectedMetadata["SerializedMetadata"]); 
+        orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
         Assert.Equal(expectedMetadata, orderedMetadata);
     }
 
@@ -118,6 +125,8 @@ public void Execute_DoesNotOverrideClassName()
             orderedMetadata.Add(key, metadata[key]);
         }
 
+        expectedMetadata["SerializedMetadata"] = SortMetadata(expectedMetadata["SerializedMetadata"]);
+        orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
         Assert.Equal(expectedMetadata, orderedMetadata);
     }
 
@@ -176,6 +185,8 @@ public void Execute_DoesNotOverrideNamespace()
             orderedMetadata.Add(key, metadata[key]);
         }
 
+        expectedMetadata["SerializedMetadata"] = SortMetadata(expectedMetadata["SerializedMetadata"]);
+        orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
         Assert.Equal(expectedMetadata, orderedMetadata);
     }
 
@@ -234,6 +245,9 @@ public void Execute_DoesNotOverrideOutputPath_IfRooted()
             orderedMetadata.Add(key, metadata[key]);
         }
 
+        // sort the values, since order is undefined for Dictionary
+        expectedMetadata["SerializedMetadata"] = SortMetadata(expectedMetadata["SerializedMetadata"]);
+        orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
         Assert.Equal(expectedMetadata, orderedMetadata);
     }
 
@@ -383,7 +397,8 @@ public void Execute_SetsClassName_BasedOnOutputPath()
         {
             orderedMetadata.Add(key, metadata[key]);
         }
-
+        expectedMetadata["SerializedMetadata"] = SortMetadata(expectedMetadata["SerializedMetadata"]);
+        orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
         Assert.Equal(expectedMetadata, orderedMetadata);
     }
 
@@ -446,7 +461,8 @@ public void Execute_SetsClassName_BasedOnSanitizedOutputPath(string outputPath,
         {
             orderedMetadata.Add(key, metadata[key]);
         }
-
+        expectedMetadata["SerializedMetadata"] = SortMetadata(expectedMetadata["SerializedMetadata"]);
+        orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
         Assert.Equal(expectedMetadata, orderedMetadata);
     }
 
@@ -545,6 +561,8 @@ public void Execute_SetsFirstForGenerator_UsesCorrectExtension()
                     orderedMetadata.Add(key, metadata[key]);
                 }
 
+                expectedMetadata1["SerializedMetadata"] = SortMetadata(expectedMetadata1["SerializedMetadata"]);
+                orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
                 Assert.Equal(expectedMetadata1, orderedMetadata);
             },
             output =>
@@ -556,7 +574,8 @@ public void Execute_SetsFirstForGenerator_UsesCorrectExtension()
                 {
                     orderedMetadata.Add(key, metadata[key]);
                 }
-
+                expectedMetadata2["SerializedMetadata"] = SortMetadata(expectedMetadata2["SerializedMetadata"]);
+                orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
                 Assert.Equal(expectedMetadata2, orderedMetadata);
             },
             output =>
@@ -569,6 +588,8 @@ public void Execute_SetsFirstForGenerator_UsesCorrectExtension()
                     orderedMetadata.Add(key, metadata[key]);
                 }
 
+                expectedMetadata3["SerializedMetadata"] = SortMetadata(expectedMetadata3["SerializedMetadata"]);
+                orderedMetadata["SerializedMetadata"] = SortMetadata(orderedMetadata["SerializedMetadata"]);
                 Assert.Equal(expectedMetadata3, orderedMetadata);
             });
     }

src/Tools/Extensions.ApiDescription.Client/test/MetadataSerializerTest.cs

@@ -193,7 +193,10 @@ public void SerializeMetadata_ReturnsExpectedString()
         // Act
         var result = MetadataSerializer.SerializeMetadata(input);
 
-        // Assert
+       // sort the values, since order is undefined for Dictionary
+       expectedResult = string.Join("|", expectedResult.Split('|').OrderBy(s => s));
+       result = string.Join("|", result.Split('|').OrderBy(s => s));
+       // Assert
         Assert.Equal(expectedResult, result);
     }