You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: _schedule_run_test.rs
    path of file: ./repos/aws-sdk-rust/sdk/devicefarm/src/types
    
    the code of the file until where you have to start completion: // Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.

/// <p>Represents test settings. This data structure is passed in as the test parameter to ScheduleRun. For an example of the JSON request syntax, see <code>ScheduleRun</code>.</p>
#[non_exhaustive]
#[derive(::std::clone::Clone, ::std::cmp::PartialEq, ::std::fmt::Debug)]
pub struct ScheduleRunTest {
    /// <p>The test's type.</p>
    /// <p>Must be one of the following values:</p>
    /// <ul>
    /// <li>
    /// <p>BUILTIN_FUZZ</p></li>
    /// <li>
    /// <p>BUILTIN_EXPLORER. For Android, an app 
    
    pub fn build(self) -> ::std::result::Result<crate::types::ScheduleRunTest, ::aws_smithy_types::error::operation::BuildError> {
        ::std::result::Result::Ok(crate::types::ScheduleRunTest {
            r#type: self.r#type.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "r#type",
                    "r#type was not specified but it is required when building ScheduleRunTest",
                )
            })?,
            test_package_arn: self.test_package_arn,
            test_spec_arn: self.test_spec_arn,
            filter: self.filter,
            parameters: self.parameters,
        })
    }