Merge branch 'main' into RFC30/tests

Author: thomas-k-cameron

codegen-core/src/test/kotlin/software/amazon/smithy/rust/codegen/core/smithy/generators/StructureGeneratorTest.kt

@@ -86,7 +86,6 @@ class StructureGeneratorTest {
         val credentials = model.lookup<StructureShape>("com.test#Credentials")
         val secretStructure = model.lookup<StructureShape>("com.test#SecretStructure")
         val structWithInnerSecretStructure = model.lookup<StructureShape>("com.test#StructWithInnerSecretStructure")
-        val error = model.lookup<StructureShape>("com.test#MyError")
 
         val rustReservedWordConfig: RustReservedWordConfig = RustReservedWordConfig(
             structureMemberMap = StructureGenerator.structureMemberNameMap,