public ProgramDB getProgram(String programName) {
		ProgramDB p = programManager.getProgram(programName);
		return p;
	}
Open a read-only test program from the test data directory. The returned program must be 
{@link #release(Program) released} prior to disposing this test environment.
<br>
NOTE: Some tests rely on this method returning null when file does
not yet exist within the resource area (e.g., test binaries for P-Code Tests)

@param programName name of program database within the test data directory.
@return program or null if program file not found
Ghidra/Features/Base/src/main/java/ghidra/test/TestEnv.java