Fix some error parser unit tests. A trailing colon was being included in several source files.
Part of the fix is in CDT fix <https://bugs.eclipse.org/bugs/show_bug.cgi?id=296966> and Austin/MCL/sftools/dev/eclipseenv/eclipse 123:71e3840b8eca
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
<classpathentry kind="output" path="bin"/>
</classpath>