diff --git a/src/protocol/tests/utils.rs b/src/protocol/tests/utils.rs
index 6407afea6458747e10b2a7e6e534aee15e3aa619..e21d72b5708c0631c39008fffe5427d0880a83da 100644
--- a/src/protocol/tests/utils.rs
+++ b/src/protocol/tests/utils.rs
@@ -1,16 +1,10 @@
 use crate::collections::StringPool;
-use crate::protocol::{
-    Module,
-    ast::*,
-    input_source::*,
-    parser::{
-        Parser,
-        type_table::*,
-        symbol_table::SymbolTable,
-        token_parsing::*,
-    },
-    eval::*,
-};
+use crate::protocol::{Module, ast::*, input_source::*, parser::{
+    Parser,
+    type_table::*,
+    symbol_table::SymbolTable,
+    token_parsing::*,
+}, eval::*, RunContext};
 
 // Carries information about the test into utility structures for builder-like
 // assertions
@@ -691,7 +685,7 @@ impl<'a> FunctionTester<'a> {
         use crate::protocol::*;
 
         let mut prompt = Prompt::new(&self.ctx.types, &self.ctx.heap, self.def.this.upcast(), 0, ValueGroup::new_stack(Vec::new()));
-        let mut call_context = EvalContext::None;
+        let mut call_context = FakeRunContext{};
         loop {
             let result = prompt.step(&self.ctx.types, &self.ctx.heap, &self.ctx.modules, &mut call_context);
             match result {
@@ -1280,4 +1274,27 @@ fn seek_expr_in_stmt<F: Fn(&Expression) -> bool>(heap: &Heap, start: StatementId
         },
         _ => None
     }
+}
+
+struct FakeRunContext{}
+impl RunContext for FakeRunContext {
+    fn performed_put(&mut self, _port: PortId) -> bool {
+        unreachable!("'put' called in compiler testing code")
+    }
+
+    fn performed_get(&mut self, _port: PortId) -> Option<ValueGroup> {
+        unreachable!("'get' called in compiler testing code")
+    }
+
+    fn fires(&mut self, _port: PortId) -> Option<Value> {
+        unreachable!("'fires' called in compiler testing code")
+    }
+
+    fn performed_fork(&mut self) -> Option<bool> {
+        unreachable!("'fork' called in compiler testing code")
+    }
+
+    fn created_channel(&mut self) -> Option<(Value, Value)> {
+        unreachable!("channel created in compiler testing code")
+    }
 }
\ No newline at end of file