diff --git a/src/core/probably-core.scala b/src/core/probably-core.scala
index 88303dc..4ea1103 100644
--- a/src/core/probably-core.scala
+++ b/src/core/probably-core.scala
@@ -92,12 +92,12 @@ extension [TestType](test: Test[TestType])
 
     assert[ReportType](pf.isDefinedAt(_))
 
-extension [ValueType](inline value: ValueType)(using inline test: TestContext)
+extension [ValueType](inline value: ValueType)(using inline test: Testbed)
   inline def debug: ValueType = ${Probably.debug('value, 'test)}
 
-package testContexts:
-  given threadLocal: TestContext = new TestContext():
-    private val delegate: Option[TestContext] = Option(Runner.testContextThreadLocal.get()).map(_.nn).flatten
+package testbeds:
+  given threadLocal: Testbed = new Testbed():
+    private val delegate: Option[Testbed] = Option(Runner.testbedThreadLocal.get()).map(_.nn).flatten
 
     override def capture[ValueType: Inspectable](name: Text, value: ValueType): ValueType =
       delegate.map(_.capture[ValueType](name, value)).getOrElse(value)
diff --git a/src/core/probably.Probably.scala b/src/core/probably.Probably.scala
index 3c86411..6fb77bc 100644
--- a/src/core/probably.Probably.scala
+++ b/src/core/probably.Probably.scala
@@ -140,7 +140,7 @@ object Probably:
       inc.include(runner.report, test.id, outcome)
       result(run)
 
-  def debug[TestType: Type](expr: Expr[TestType], test: Expr[TestContext])(using Quotes): Expr[TestType] =
+  def debug[TestType: Type](expr: Expr[TestType], test: Expr[Testbed])(using Quotes): Expr[TestType] =
     import quotes.reflect.*
 
     val exprName: Text = expr.asTerm.pos match
diff --git a/src/core/probably.Runner.scala b/src/core/probably.Runner.scala
index d424fa9..a3f5517 100644
--- a/src/core/probably.Runner.scala
+++ b/src/core/probably.Runner.scala
@@ -20,7 +20,7 @@ import rudiments.*
 import vacuous.*
 
 object Runner:
-  private[probably] val testContextThreadLocal: ThreadLocal[Option[TestContext]] = ThreadLocal()
+  private[probably] val testbedThreadLocal: ThreadLocal[Option[Testbed]] = ThreadLocal()
 
 class Runner[ReportType]()(using reporter: Reporter[ReportType]):
   private var active: Set[TestId] = Set()
@@ -31,8 +31,8 @@ class Runner[ReportType]()(using reporter: Reporter[ReportType]):
 
   def run[T, S](test: Test[T]): Trial[T] =
     synchronized { active += test.id }
-    val ctx = TestContext()
-    Runner.testContextThreadLocal.set(Some(ctx))
+    val ctx = Testbed()
+    Runner.testbedThreadLocal.set(Some(ctx))
     val ns0 = System.nanoTime
 
     try
@@ -53,7 +53,7 @@ class Runner[ReportType]()(using reporter: Reporter[ReportType]):
         synchronized { active -= test.id }
 
     finally
-      Runner.testContextThreadLocal.set(None)
+      Runner.testbedThreadLocal.set(None)
 
   def suite(suite: TestSuite, block: TestSuite ?=> Unit): Unit =
     if !skip(suite.id) then
diff --git a/src/core/probably.Test.scala b/src/core/probably.Test.scala
index cab8493..09e81e3 100644
--- a/src/core/probably.Test.scala
+++ b/src/core/probably.Test.scala
@@ -16,4 +16,4 @@
 
 package probably
 
-case class Test[+ReturnType](id: TestId, action: TestContext => ReturnType)
+case class Test[+ReturnType](id: TestId, action: Testbed => ReturnType)
diff --git a/src/core/probably.TestId.scala b/src/core/probably.TestId.scala
index a774017..f1d8268 100644
--- a/src/core/probably.TestId.scala
+++ b/src/core/probably.TestId.scala
@@ -33,7 +33,7 @@ case class TestId(name: Text, suite: Optional[TestSuite], codepoint: Codepoint):
   lazy val id: Text = (suite.hashCode ^ name.hashCode).hex.pad(6, Rtl, '0').keep(6, Rtl)
   lazy val ids: List[Text] =  id :: suite.let(_.id.ids).or(Nil)
 
-  def apply[ResultType](ctx: TestContext ?=> ResultType): Test[ResultType] =
+  def apply[ResultType](ctx: Testbed ?=> ResultType): Test[ResultType] =
     Test[ResultType](this, ctx(using _))
 
   def depth: Int = suite.let(_.id.depth).or(0) + 1
diff --git a/src/core/probably.TestContext.scala b/src/core/probably.Testbed.scala
similarity index 97%
rename from src/core/probably.TestContext.scala
rename to src/core/probably.Testbed.scala
index 2be220e..ab0d50f 100644
--- a/src/core/probably.TestContext.scala
+++ b/src/core/probably.Testbed.scala
@@ -22,7 +22,7 @@ import spectacular.*
 
 import scala.collection.mutable as scm
 
-open class TestContext():
+open class Testbed():
   private[probably] val captured: scm.ArrayBuffer[(Text, Text)] = scm.ArrayBuffer()
 
   def capture[ValueType: Inspectable](name: Text, value: ValueType): ValueType =
diff --git a/src/core/soundness+probably-core.scala b/src/core/soundness+probably-core.scala
index aaa2c8b..a2e1f7b 100644
--- a/src/core/soundness+probably-core.scala
+++ b/src/core/soundness+probably-core.scala
@@ -16,9 +16,9 @@
 
 package soundness
 
-export probably.{Baseline, Benchmark, Details, Inclusion, Outcome, Runner, Test, TestContext,
+export probably.{Baseline, Benchmark, Details, Inclusion, Outcome, Runner, Test, Testbed,
     TestId, TestReport, Reporter, Trial, TestSuite, Tolerance, Min, Mean, Max, BySpeed,
     ByTime, Ratio, Difference, `+/-`, meets, test, suite, aspire, assert, check, matches, debug}
 
 package testContexts:
-  export probably.testContexts.{threadLocal}
+  export probably.testbeds.{threadLocal}