Improve coverage of credentials tests
Improve coverage of credentials tests

lukasz-skalski/glib,pstglia/platform-external-bluetooth-glib,cention-sany/glib,pstglia/platform-external-bluetooth-glib,ieei/glib-old-android,djdeath/glib,tamaskenez/glib,tamaskenez/glib,bluez-android/glib,ieei/glib,cosimoc/glib,krichter722/glib,justinkb/aosp-bluez.glib,zsx/glib,antono/glib,pstglia/external-bluetooth-glib,iConsole/Console-OS_external_bluetooth_glib,endlessm/glib,krichter722/glib,tamaskenez/glib,ahmedammar/platform_external_gst_glib,darren-clark/android_platform_external_bluetooth_glib,tchakabam/glib,bluez-android/glib,ahmedammar/platform_external_gst_glib,ieei/glib,tchakabam/glib,iConsole/Console-OS_external_bluetooth_glib,djdeath/glib,cosimoc/glib,bratsche/glib,Distrotech/glib,justinkb/aosp-bluez.glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,pstglia/external-bluetooth-glib,bluez-android/glib,pstglia/external-bluetooth-glib,antono/glib,cention-sany/glib,mzabaluev/glib,mzabaluev/glib,gale320/glib,MathieuDuponchelle/glib,cention-sany/glib,Distrotech/glib,mzabaluev/glib,01org/android-bluez-glib,cosimoc/glib,dicer/android_external_glib,zsx/glib,ahmedammar/platform_external_gst_glib,bluez-android/glib,Distrotech/glib,zsx/glib,ieei/glib-old-android,ahmedammar/platform_external_gst_glib,MathieuDuponchelle/glib,dicer/android_external_glib,pstglia/platform-external-bluetooth-glib,djdeath/glib,lukasz-skalski/glib,endlessm/glib,iConsole/Console-OS_external_bluetooth_glib,krichter722/glib,bratsche/glib,dicer/android_external_glib,endlessm/glib,Distrotech/glib,gale320/glib,endlessm/glib,djdeath/glib,dicer/android_external_glib,tamaskenez/glib,pstglia/platform-external-bluetooth-glib,iConsole/Console-OS_external_bluetooth_glib,krichter722/glib,tchakabam/glib,MathieuDuponchelle/glib,johne53/MB3Glib,Distrotech/glib,MathieuDuponchelle/glib,ieei/glib,lukasz-skalski/glib,pstglia/external-bluetooth-glib,cosimoc/glib,endlessm/glib,justinkb/aosp-bluez.glib,pstglia/platform-external-bluetooth-glib,johne53/MB3Glib,johne53/MB3Glib,tchakabam/glib,cosimoc/glib,bratsche/glib,ieei/glib-old-android,iConsole/Console-OS_external_bluetooth_glib,01org/android-bluez-glib,gale320/glib,01org/android-bluez-glib,zsx/glib,MathieuDuponchelle/glib,lukasz-skalski/glib,krichter722/glib,01org/android-bluez-glib,gale320/glib,bluez-android/glib,cention-sany/glib,darren-clark/android_platform_external_bluetooth_glib,djdeath/glib,mzabaluev/glib,bratsche/glib,dicer/android_external_glib,antono/glib,justinkb/aosp-bluez.glib,lukasz-skalski/glib,ieei/glib,antono/glib,darren-clark/android_platform_external_bluetooth_glib,tamaskenez/glib,cention-sany/glib,pstglia/external-bluetooth-glib,darren-clark/android_platform_external_bluetooth_glib,gale320/glib,darren-clark/android_platform_external_bluetooth_glib,ieei/glib-old-android,ieei/glib,mzabaluev/glib,johne53/MB3Glib,tchakabam/glib,01org/android-bluez-glib,johne53/MB3Glib