Change the output file to be an argument to the expect script. Pass it from the runner. Ignore the output file name

.gitignore

@@ -27,3 +27,5 @@ obj/
 .baseDir.ts
 .ctags-exclude
 tags
+
+TestRunResult.txt

expect.exp

@@ -8,10 +8,10 @@
 #expect "TypeScript compilation complete"
 #send \003
 
-
+set outfile [lindex $argv 0];
 set timeout 600
 #spawn (adb logcat | tee ./__TESTRESULT__.txt)
-log_file -noappend ./__TESTRESULT__.txt
+log_file -noappend $outfile
 spawn adb logcat
 expect "=== ALL TESTS COMPLETE ==="
 send \003

runtestsapp.sh

@@ -4,6 +4,7 @@ startdir=$(pwd)
 emuProcId=".*emulator64-x86"
 emuAvdName=Api19
 androidRuntimePath=/Users/erjan/tns-android.tgz
+outfile=./TestRunResult.txt
 
 testsAppName=TestsApp
 pathToApk=./platforms/android/build/outputs/apk/$testsAppName-debug.apk
@@ -76,7 +77,7 @@ cd $startdir
 
 echo "------------------------------------------------"
 echo "Waiting for the tests to finish executing..."
-time ./expect.exp
+time ./expect.exp $outfile
 
 pkill $emuProcId && true