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There are CRT testers that will test those tubes, but electrostatic deflection tubes such as the one in the Pilot, and some early 7-8" sets were not supported by most testers. The Sencor CR-70 and CR-7000 (IIRC) can test those tubes, and some rare early testers can test those tubes, but little else.
The best test of electrostatic deflection CRTs is a working set, but unless you know for a fact the sets have been electrically restored, you have a 45% chance of damaging the set and learning nothing about the condition of the CRT, a 50% chance of the set not being damaged yet not working and not allowing you to learn if the CRT is good, and a 5% chance of the set and tube actually working.
The sets with magnetic deflection tubes are easy to find testers for. If there is an older TV repair shop in the area, then they may still have a tester capable of testing the early magnetic deflection CRTs, and may be willing to do so for you.
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