[inspector] Make pausing on console.assert work with multiple sessions

test/inspector/sessions/pause-on-console-assert-expected.txt

Index: test/inspector/sessions/pause-on-console-assert-expected.txt
diff --git a/test/inspector/sessions/pause-on-console-assert-expected.txt b/test/inspector/sessions/pause-on-console-assert-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8bfa3ae440f46a67350b1f1d0f581bdb125b4b0
--- /dev/null
+++ b/test/inspector/sessions/pause-on-console-assert-expected.txt
@@ -0,0 +1,24 @@
+Tests that multiple sessions pause once on console.assert.
+Pausing on exceptions in 1
+Asserting in 1
+Paused in 2 with reason assert
+Paused in 1 with reason assert
+Asserting in 2
+Paused in 2 with reason assert
+Paused in 1 with reason assert
+Pausing on exceptions in both
+Asserting in 1
+Paused in 2 with reason assert
+Paused in 1 with reason assert
+Asserting in 2
+Paused in 2 with reason assert
+Paused in 1 with reason assert
+Not pausing on exceptions
+Asserting in 1
+Asserting in 2
+Pausing on exceptions in 3 (different context group)
+Asserting in 3
+Paused in 3 with reason assert
+Asserting in 1
+Paused in 2 with reason assert
+Paused in 1 with reason assert