add missing test cases for recent qasm iigs fixes.

testdata/3006-pea.S

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+* verify pea doesn't have address mode errors with quoted strings
+
+
+	pea ','
+	pea ';'
+	pea ' '
+	pea '['
+	pea ']'
+	pea '('
+	pea ')'
+
+	pea #','
+	pea #';'
+	pea #' '
+	pea #'['
+	pea #']'
+	pea #'('
+	pea #')'
+
+	pea ","
+	pea ";"
+	pea " "
+	pea "["
+	pea "]"
+	pea "("
+	pea ")"
+
+	pea #","
+	pea #";"
+	pea #" "
+	pea #"["
+	pea #"]"
+	pea #"("
+	pea #")"
+
+	pea '"'
+	pea "'"
+	pea #'"'
+	pea #"'"

testdata/3007-data-star.S

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+* merlin (Apple II) updates the value of the * pc after each operand
+* of a data statement.
+
+	adr *,*
+	adrl *,*
+	da *,*
+	db *,*
+	ddb *,*
+	dfb *,*
+	dw *,*

testdata/3008-macro-strings.S

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+*
+* verify macro operand parsing handles quoted strings.
+*
+
+xx	mac
+	asc ]1
+	eom
+
+	xx '"hello"'
+	xx "'hello'"
+	xx 'hello'
+	xx "hello"
+	xx 'abc',00
+	xx ff