feat: Add test for standard schema

src/FairyBread.Tests/GeneralTests.SchemaWorks.verified.txt

@@ -0,0 +1,26 @@
+schema {
+  query: Query
+  mutation: Mutation
+}
+
+type Mutation {
+  write(foo: FooInputDtoInput! bar: BarInputDtoInput!): String!
+}
+
+type Query {
+  read(foo: FooInputDtoInput! bar: BarInputDtoInput): String!
+  readWithArrayArg(foos: [FooInputDtoInput!]!): String!
+  readWithListArg(foos: [FooInputDtoInput!]!): String!
+  someResolver(foo: FooInputDtoInput! bar: BarInputDtoInput): String!
+  intResolver(count: Int!): String!
+  nullableIntResolver(count: Int): String!
+}
+
+input BarInputDtoInput {
+  emailAddress: String!
+}
+
+input FooInputDtoInput {
+  someInteger: Int!
+  someString: String!
+}

src/FairyBread.Tests/GeneralTests.cs

@@ -39,6 +39,19 @@ private static async Task<IRequestExecutor> GetRequestExecutorAsync(
             .BuildRequestExecutorAsync();
     }
 
+    [Fact]
+    public async Task SchemaWorks()
+    {
+        // Arrange
+        var executor = await GetRequestExecutorAsync();
+
+        // Act
+        var result = executor.Schema.ToString();
+
+        // Assert
+        await Verifier.Verify(result);
+    }
+
     [Theory]
     [MemberData(nameof(Cases))]
     public async Task Query_Works(CaseData caseData)