Bug 87076 M5: JUnit preferences aren't saved between sessions [JUnit]
If I disable all stack trace filters in the Java > JUnit preferences page, then apply, everything is fine for this session. When I restart Eclipse, however, the filters are all reenabled. Also, if I remove all filters, they reappear when I restart.
org.eclipse.jdt.junit.core/src/org/eclipse/jdt/internal/junit/JUnitPreferencesConstants.java
}
	
	/**
	 * Returns the default list of active stack filters.
	 * 
	 * @return list
	 */
	public static List createDefaultStackFiltersList() {
		return Arrays.asList(fgDefaultFilterPatterns);
	}
	/**
	 * Serializes the array of strings into one comma
	 * separated string.
	 * 
	 * @param list array of strings
	 * @return a single string composed of the given list
	 */
	public static String serializeList(String[] list) {
		if (list == null)
			return ""; 
		StringBuffer buffer= new StringBuffer();
		for (int i= 0; i < list.length; i++) {
			if (i > 0)
				buffer.append(',');
			buffer.append(list[i]);
		}
		return buffer.toString();
	}
}