Use .zeek file suffix in unit tests

testing/btest/scripts/base/frameworks/input/repeat.zeek

@@ -0,0 +1,54 @@
+# @TEST-EXEC: btest-bg-run bro bro -b %INPUT
+# @TEST-EXEC: btest-bg-wait 10
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff out
+
+@TEST-START-FILE input.log
+#separator \x09
+#path	ssh
+#fields	i	b	
+#types	int	bool
+1	T
+@TEST-END-FILE
+
+redef exit_only_after_terminate = T;
+
+global outfile: file;
+global try: count;
+
+redef InputAscii::empty_field = "EMPTY";
+
+module A;
+
+type Idx: record {
+	i: int;
+};
+
+type Val: record {
+	b: bool;
+};
+
+global destination: table[int] of bool = table();
+
+const one_to_32: vector of count = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32};
+
+event bro_init()
+	{
+	try = 0;
+	outfile = open("../out");
+	for ( i in one_to_32 )
+		Input::add_table([$source="../input.log", $name=fmt("input%d", i), $idx=Idx, $val=Val, $destination=destination, $want_record=F]);
+	}
+
+event Input::end_of_data(name: string, source: string)
+	{
+	print outfile, name;
+	print outfile, source;
+	print outfile, destination;
+	Input::remove(name);
+	try = try + 1;
+	if ( try == 32 )
+		{
+		close(outfile);
+		terminate();
+		}
+	}