diff --git a/tests/ef_tests/src/case_result.rs b/tests/ef_tests/src/case_result.rs
index 98e872564d..d85347dc73 100644
--- a/tests/ef_tests/src/case_result.rs
+++ b/tests/ef_tests/src/case_result.rs
@@ -1,16 +1,15 @@
 use super::*;
-use types::EthSpec;
 
 #[derive(Debug, PartialEq, Clone)]
-pub struct TestCaseResult {
+pub struct CaseResult {
     pub case_index: usize,
     pub desc: String,
     pub result: Result<(), Error>,
 }
 
-impl TestCaseResult {
+impl CaseResult {
     pub fn new<T: Debug>(case_index: usize, case: &T, result: Result<(), Error>) -> Self {
-        TestCaseResult {
+        CaseResult {
             case_index,
             desc: format!("{:?}", case),
             result,
@@ -18,10 +17,6 @@ impl TestCaseResult {
     }
 }
 
-pub trait Test {
-    fn test<E: EthSpec>(&self) -> Vec<TestCaseResult>;
-}
-
 /// Compares `result` with `expected`.
 ///
 /// If `expected.is_none()` then `result` is expected to be `Err`. Otherwise, `T` in `result` and
diff --git a/tests/ef_tests/src/cases/ssz_generic.rs b/tests/ef_tests/src/cases/ssz_generic.rs
index 66cca1ffd3..30c76219fc 100644
--- a/tests/ef_tests/src/cases/ssz_generic.rs
+++ b/tests/ef_tests/src/cases/ssz_generic.rs
@@ -16,8 +16,8 @@ impl YamlDecode for SszGeneric {
     }
 }
 
-impl Test for Cases<SszGeneric> {
-    fn test<E: EthSpec>(&self) -> Vec<TestCaseResult> {
+impl EfTest for Cases<SszGeneric> {
+    fn test_results<E: EthSpec>(&self) -> Vec<CaseResult> {
         self.test_cases
             .iter()
             .enumerate()
@@ -42,7 +42,7 @@ impl Test for Cases<SszGeneric> {
                     Ok(())
                 };
 
-                TestCaseResult::new(i, tc, result)
+                CaseResult::new(i, tc, result)
             })
             .collect()
     }
diff --git a/tests/ef_tests/src/cases/ssz_static.rs b/tests/ef_tests/src/cases/ssz_static.rs
index e4904404b6..ac6bc8246b 100644
--- a/tests/ef_tests/src/cases/ssz_static.rs
+++ b/tests/ef_tests/src/cases/ssz_static.rs
@@ -41,8 +41,8 @@ impl SszStatic {
     }
 }
 
-impl Test for Cases<SszStatic> {
-    fn test<E: EthSpec>(&self) -> Vec<TestCaseResult> {
+impl EfTest for Cases<SszStatic> {
+    fn test_results<E: EthSpec>(&self) -> Vec<CaseResult> {
         self.test_cases
             .iter()
             .enumerate()
@@ -76,7 +76,7 @@ impl Test for Cases<SszStatic> {
                     ))),
                 };
 
-                TestCaseResult::new(i, tc, result)
+                CaseResult::new(i, tc, result)
             })
             .collect()
     }
diff --git a/tests/ef_tests/src/doc.rs b/tests/ef_tests/src/doc.rs
index 6792535e61..1ab22b047a 100644
--- a/tests/ef_tests/src/doc.rs
+++ b/tests/ef_tests/src/doc.rs
@@ -18,7 +18,7 @@ impl Doc {
         Self { yaml }
     }
 
-    pub fn get_test_results(path: PathBuf) -> Vec<TestCaseResult> {
+    pub fn get_test_results(path: PathBuf) -> Vec<CaseResult> {
         let doc = Self::from_path(path);
 
         let header: DocHeader = serde_yaml::from_str(&doc.yaml.as_str()).unwrap();
@@ -40,7 +40,7 @@ impl Doc {
     pub fn assert_tests_pass(path: PathBuf) {
         let results = Self::get_test_results(path);
 
-        let failures: Vec<&TestCaseResult> = results.iter().filter(|r| r.result.is_err()).collect();
+        let failures: Vec<&CaseResult> = results.iter().filter(|r| r.result.is_err()).collect();
 
         if !failures.is_empty() {
             for f in &failures {
@@ -52,13 +52,13 @@ impl Doc {
     }
 }
 
-pub fn run_test<T, E: EthSpec>(test_doc_yaml: &String) -> Vec<TestCaseResult>
+pub fn run_test<T, E: EthSpec>(test_doc_yaml: &String) -> Vec<CaseResult>
 where
-    Cases<T>: Test + serde::de::DeserializeOwned + YamlDecode,
+    Cases<T>: EfTest + serde::de::DeserializeOwned + YamlDecode,
 {
     let test_cases_yaml = extract_yaml_by_key(test_doc_yaml, "test_cases");
 
     let test_cases: Cases<T> = Cases::yaml_decode(&test_cases_yaml.to_string()).unwrap();
 
-    test_cases.test::<E>()
+    test_cases.test_results::<E>()
 }
diff --git a/tests/ef_tests/src/lib.rs b/tests/ef_tests/src/lib.rs
index 7dd1167f90..7489586f2f 100644
--- a/tests/ef_tests/src/lib.rs
+++ b/tests/ef_tests/src/lib.rs
@@ -3,6 +3,7 @@ use ethereum_types::{U128, U256};
 use serde_derive::Deserialize;
 use ssz::Decode;
 use std::fmt::Debug;
+use types::EthSpec;
 
 pub use crate::case_result::*;
 pub use crate::cases::*;
@@ -19,3 +20,10 @@ mod doc_header;
 mod error;
 mod eth_specs;
 mod yaml_decode;
+
+/// Defined where an object can return the results of some test(s) adhering to the Ethereum
+/// Foundation testing format.
+pub trait EfTest {
+    /// Returns the results of executing one or more tests.
+    fn test_results<E: EthSpec>(&self) -> Vec<CaseResult>;
+}