fix: test assertions (#2098)

src/test/breakpoints/breakpoints-launched-source-map-set-compiled.txt

@@ -19,8 +19,8 @@ Window.bar @ ${workspaceFolder}/web/browserify/bundle.js:36:5
 <anonymous> @ localhost꞉8001/browserify/test.js:1:8
 {
     allThreadsStopped : false
-    description : Paused on breakpoint
-    reason : breakpoint
+    description : Paused
+    reason : step
     threadId : <number>
 }
 foo @ ${workspaceFolder}/web/browserify/bundle.js:19:5

src/test/breakpoints/breakpoints-stepintargets.txt

@@ -20,8 +20,8 @@ step in new Foo(){
 }
 {
     allThreadsStopped : false
-    description : Paused on breakpoint
-    reason : breakpoint
+    description : Paused
+    reason : step
     threadId : <number>
 }
 Foo.constructor @ ${workspaceFolder}/web/stepInTargets.js:2:3